mirror of
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Remove edition umbrella features.
This commit is contained in:
Eric Huss
parent
7e452c123c
commit
f481596ee4
@ -1,9 +1,11 @@
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#### Note: this error code is no longer emitted by the compiler.
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A `#![feature]` attribute was declared for a feature that is stable in the
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current edition, but not in all editions.
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Erroneous code example:
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```rust2018,compile_fail,E0705
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```compile_fail
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#![feature(rust_2018_preview)]
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#![feature(test_2018_feature)] // error: the feature
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// `test_2018_feature` is
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@ -35,9 +35,6 @@ expand_explain_doc_comment_outer =
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expand_expr_repeat_no_syntax_vars =
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attempted to repeat an expression containing no syntax variables matched as repeating at this depth
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expand_feature_included_in_edition =
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the feature `{$feature}` is included in the Rust {$edition} edition
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expand_feature_not_allowed =
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the feature `{$name}` is not in the list of allowed features
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@ -1,8 +1,8 @@
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//! Conditional compilation stripping.
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use crate::errors::{
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FeatureIncludedInEdition, FeatureNotAllowed, FeatureRemoved, FeatureRemovedReason, InvalidCfg,
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MalformedFeatureAttribute, MalformedFeatureAttributeHelp, RemoveExprNotSupported,
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FeatureNotAllowed, FeatureRemoved, FeatureRemovedReason, InvalidCfg, MalformedFeatureAttribute,
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MalformedFeatureAttributeHelp, RemoveExprNotSupported,
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};
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use rustc_ast::ptr::P;
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use rustc_ast::token::{Delimiter, Token, TokenKind};
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@ -13,13 +13,11 @@ use rustc_ast::NodeId;
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use rustc_ast::{self as ast, AttrStyle, Attribute, HasAttrs, HasTokens, MetaItem};
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use rustc_attr as attr;
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use rustc_data_structures::flat_map_in_place::FlatMapInPlace;
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use rustc_data_structures::fx::FxHashSet;
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use rustc_feature::Features;
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use rustc_feature::{ACCEPTED_FEATURES, REMOVED_FEATURES, UNSTABLE_FEATURES};
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use rustc_parse::validate_attr;
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use rustc_session::parse::feature_err;
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use rustc_session::Session;
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use rustc_span::edition::ALL_EDITIONS;
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use rustc_span::symbol::{sym, Symbol};
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use rustc_span::Span;
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use thin_vec::ThinVec;
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@ -48,42 +46,6 @@ pub fn features(sess: &Session, krate_attrs: &[Attribute], crate_name: Symbol) -
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let mut features = Features::default();
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// The edition from `--edition`.
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let crate_edition = sess.edition();
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// The maximum of (a) the edition from `--edition` and (b) any edition
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// umbrella feature-gates declared in the code.
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// - E.g. if `crate_edition` is 2015 but `rust_2018_preview` is present,
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// `feature_edition` is 2018
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let mut features_edition = crate_edition;
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for attr in krate_attrs {
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for mi in feature_list(attr) {
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if mi.is_word() {
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let name = mi.name_or_empty();
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let edition = ALL_EDITIONS.iter().find(|e| name == e.feature_name()).copied();
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if let Some(edition) = edition
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&& edition > features_edition
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{
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features_edition = edition;
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}
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}
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}
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}
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// Enable edition-dependent features based on `features_edition`.
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// - E.g. enable `test_2018_feature` if `features_edition` is 2018 or higher
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let mut edition_enabled_features = FxHashSet::default();
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for f in UNSTABLE_FEATURES {
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if let Some(edition) = f.feature.edition
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&& edition <= features_edition
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{
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// FIXME(Manishearth) there is currently no way to set lib features by
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// edition.
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edition_enabled_features.insert(f.feature.name);
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(f.set_enabled)(&mut features);
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}
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}
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// Process all features declared in the code.
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for attr in krate_attrs {
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for mi in feature_list(attr) {
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@ -108,38 +70,6 @@ pub fn features(sess: &Session, krate_attrs: &[Attribute], crate_name: Symbol) -
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}
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};
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// If the declared feature is an edition umbrella feature-gate,
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// warn if it was redundant w.r.t. `crate_edition`.
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// - E.g. warn if `rust_2018_preview` is declared when
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// `crate_edition` is 2018
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// - E.g. don't warn if `rust_2018_preview` is declared when
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// `crate_edition` is 2015.
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if let Some(&edition) = ALL_EDITIONS.iter().find(|e| name == e.feature_name()) {
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if edition <= crate_edition {
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sess.emit_warning(FeatureIncludedInEdition {
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span: mi.span(),
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feature: name,
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edition,
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});
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}
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features.set_declared_lang_feature(name, mi.span(), None);
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continue;
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}
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// If the declared feature is edition-dependent and was already
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// enabled due to `feature_edition`, give a warning.
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// - E.g. warn if `test_2018_feature` is declared when
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// `feature_edition` is 2018 or higher.
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if edition_enabled_features.contains(&name) {
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sess.emit_warning(FeatureIncludedInEdition {
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span: mi.span(),
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feature: name,
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edition: features_edition,
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});
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features.set_declared_lang_feature(name, mi.span(), None);
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continue;
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}
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// If the declared feature has been removed, issue an error.
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if let Some(f) = REMOVED_FEATURES.iter().find(|f| name == f.feature.name) {
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sess.emit_err(FeatureRemoved {
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@ -1,7 +1,6 @@
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use rustc_ast::ast;
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use rustc_macros::Diagnostic;
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use rustc_session::Limit;
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use rustc_span::edition::Edition;
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use rustc_span::symbol::{Ident, MacroRulesNormalizedIdent};
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use rustc_span::{Span, Symbol};
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use std::borrow::Cow;
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@ -168,15 +167,6 @@ pub(crate) struct TakesNoArguments<'a> {
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pub name: &'a str,
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}
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#[derive(Diagnostic)]
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#[diag(expand_feature_included_in_edition, code = "E0705")]
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pub(crate) struct FeatureIncludedInEdition {
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#[primary_span]
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pub span: Span,
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pub feature: Symbol,
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pub edition: Edition,
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}
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#[derive(Diagnostic)]
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#[diag(expand_feature_removed, code = "E0557")]
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pub(crate) struct FeatureRemoved<'a> {
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@ -5,7 +5,7 @@ use rustc_span::symbol::sym;
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macro_rules! declare_features {
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($(
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$(#[doc = $doc:tt])* (accepted, $feature:ident, $ver:expr, $issue:expr, None),
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$(#[doc = $doc:tt])* (accepted, $feature:ident, $ver:expr, $issue:expr),
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)+) => {
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/// Formerly unstable features that have now been accepted (stabilized).
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pub const ACCEPTED_FEATURES: &[Feature] = &[
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@ -13,7 +13,6 @@ macro_rules! declare_features {
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name: sym::$feature,
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since: $ver,
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issue: to_nonzero($issue),
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edition: None,
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}),+
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];
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}
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@ -27,10 +26,10 @@ declare_features! (
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/// A temporary feature gate used to enable parser extensions needed
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/// to bootstrap fix for #5723.
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(accepted, issue_5723_bootstrap, "1.0.0", None, None),
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(accepted, issue_5723_bootstrap, "1.0.0", None),
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/// These are used to test this portion of the compiler,
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/// they don't actually mean anything.
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(accepted, test_accepted_feature, "1.0.0", None, None),
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(accepted, test_accepted_feature, "1.0.0", None),
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// !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!!
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// Features are listed in alphabetical order. Tidy will fail if you don't keep it this way.
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// !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!!
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@ -44,338 +43,338 @@ declare_features! (
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// -------------------------------------------------------------------------
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/// Allows `#[target_feature(...)]` on aarch64 platforms
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(accepted, aarch64_target_feature, "1.61.0", Some(44839), None),
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(accepted, aarch64_target_feature, "1.61.0", Some(44839)),
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/// Allows using the `efiapi` ABI.
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(accepted, abi_efiapi, "1.68.0", Some(65815), None),
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(accepted, abi_efiapi, "1.68.0", Some(65815)),
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/// Allows the sysV64 ABI to be specified on all platforms
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/// instead of just the platforms on which it is the C ABI.
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(accepted, abi_sysv64, "1.24.0", Some(36167), None),
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(accepted, abi_sysv64, "1.24.0", Some(36167)),
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/// Allows using the `thiscall` ABI.
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(accepted, abi_thiscall, "1.73.0", None, None),
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(accepted, abi_thiscall, "1.73.0", None),
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/// Allows using ADX intrinsics from `core::arch::{x86, x86_64}`.
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(accepted, adx_target_feature, "1.61.0", Some(44839), None),
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(accepted, adx_target_feature, "1.61.0", Some(44839)),
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/// Allows explicit discriminants on non-unit enum variants.
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(accepted, arbitrary_enum_discriminant, "1.66.0", Some(60553), None),
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(accepted, arbitrary_enum_discriminant, "1.66.0", Some(60553)),
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/// Allows using `sym` operands in inline assembly.
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(accepted, asm_sym, "1.66.0", Some(93333), None),
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(accepted, asm_sym, "1.66.0", Some(93333)),
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/// Allows the definition of associated constants in `trait` or `impl` blocks.
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(accepted, associated_consts, "1.20.0", Some(29646), None),
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(accepted, associated_consts, "1.20.0", Some(29646)),
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/// Allows using associated `type`s in `trait`s.
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(accepted, associated_types, "1.0.0", None, None),
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(accepted, associated_types, "1.0.0", None),
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/// Allows free and inherent `async fn`s, `async` blocks, and `<expr>.await` expressions.
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(accepted, async_await, "1.39.0", Some(50547), None),
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(accepted, async_await, "1.39.0", Some(50547)),
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/// Allows async functions to be declared, implemented, and used in traits.
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(accepted, async_fn_in_trait, "1.75.0", Some(91611), None),
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(accepted, async_fn_in_trait, "1.75.0", Some(91611)),
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/// Allows all literals in attribute lists and values of key-value pairs.
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(accepted, attr_literals, "1.30.0", Some(34981), None),
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(accepted, attr_literals, "1.30.0", Some(34981)),
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/// Allows overloading augmented assignment operations like `a += b`.
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(accepted, augmented_assignments, "1.8.0", Some(28235), None),
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(accepted, augmented_assignments, "1.8.0", Some(28235)),
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/// Allows mixing bind-by-move in patterns and references to those identifiers in guards.
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(accepted, bind_by_move_pattern_guards, "1.39.0", Some(15287), None),
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(accepted, bind_by_move_pattern_guards, "1.39.0", Some(15287)),
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/// Allows bindings in the subpattern of a binding pattern.
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/// For example, you can write `x @ Some(y)`.
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(accepted, bindings_after_at, "1.56.0", Some(65490), None),
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(accepted, bindings_after_at, "1.56.0", Some(65490)),
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/// Allows empty structs and enum variants with braces.
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(accepted, braced_empty_structs, "1.8.0", Some(29720), None),
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(accepted, braced_empty_structs, "1.8.0", Some(29720)),
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/// Allows `c"foo"` literals.
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(accepted, c_str_literals, "CURRENT_RUSTC_VERSION", Some(105723), None),
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(accepted, c_str_literals, "CURRENT_RUSTC_VERSION", Some(105723)),
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/// Allows `#[cfg_attr(predicate, multiple, attributes, here)]`.
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(accepted, cfg_attr_multi, "1.33.0", Some(54881), None),
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(accepted, cfg_attr_multi, "1.33.0", Some(54881)),
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/// Allows the use of `#[cfg(doctest)]`, set when rustdoc is collecting doctests.
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(accepted, cfg_doctest, "1.40.0", Some(62210), None),
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(accepted, cfg_doctest, "1.40.0", Some(62210)),
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/// Enables `#[cfg(panic = "...")]` config key.
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(accepted, cfg_panic, "1.60.0", Some(77443), None),
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(accepted, cfg_panic, "1.60.0", Some(77443)),
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/// Allows `cfg(target_feature = "...")`.
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(accepted, cfg_target_feature, "1.27.0", Some(29717), None),
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(accepted, cfg_target_feature, "1.27.0", Some(29717)),
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/// Allows `cfg(target_vendor = "...")`.
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(accepted, cfg_target_vendor, "1.33.0", Some(29718), None),
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(accepted, cfg_target_vendor, "1.33.0", Some(29718)),
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/// Allows implementing `Clone` for closures where possible (RFC 2132).
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(accepted, clone_closures, "1.26.0", Some(44490), None),
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(accepted, clone_closures, "1.26.0", Some(44490)),
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/// Allows coercing non capturing closures to function pointers.
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(accepted, closure_to_fn_coercion, "1.19.0", Some(39817), None),
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(accepted, closure_to_fn_coercion, "1.19.0", Some(39817)),
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/// Allows using the CMPXCHG16B target feature.
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(accepted, cmpxchg16b_target_feature, "1.69.0", Some(44839), None),
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(accepted, cmpxchg16b_target_feature, "1.69.0", Some(44839)),
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/// Allows usage of the `compile_error!` macro.
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(accepted, compile_error, "1.20.0", Some(40872), None),
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(accepted, compile_error, "1.20.0", Some(40872)),
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/// Allows `impl Trait` in function return types.
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(accepted, conservative_impl_trait, "1.26.0", Some(34511), None),
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(accepted, conservative_impl_trait, "1.26.0", Some(34511)),
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/// Allows calling constructor functions in `const fn`.
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(accepted, const_constructor, "1.40.0", Some(61456), None),
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(accepted, const_constructor, "1.40.0", Some(61456)),
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/// Allows using and casting function pointers in a `const fn`.
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(accepted, const_fn_fn_ptr_basics, "1.61.0", Some(57563), None),
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(accepted, const_fn_fn_ptr_basics, "1.61.0", Some(57563)),
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/// Allows trait bounds in `const fn`.
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(accepted, const_fn_trait_bound, "1.61.0", Some(93706), None),
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(accepted, const_fn_trait_bound, "1.61.0", Some(93706)),
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/// Allows calling `transmute` in const fn
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(accepted, const_fn_transmute, "1.56.0", Some(53605), None),
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(accepted, const_fn_transmute, "1.56.0", Some(53605)),
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/// Allows accessing fields of unions inside `const` functions.
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(accepted, const_fn_union, "1.56.0", Some(51909), None),
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(accepted, const_fn_union, "1.56.0", Some(51909)),
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/// Allows unsizing coercions in `const fn`.
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(accepted, const_fn_unsize, "1.54.0", Some(64992), None),
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(accepted, const_fn_unsize, "1.54.0", Some(64992)),
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/// Allows const generics to have default values (e.g. `struct Foo<const N: usize = 3>(...);`).
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(accepted, const_generics_defaults, "1.59.0", Some(44580), None),
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(accepted, const_generics_defaults, "1.59.0", Some(44580)),
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/// Allows the use of `if` and `match` in constants.
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(accepted, const_if_match, "1.46.0", Some(49146), None),
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(accepted, const_if_match, "1.46.0", Some(49146)),
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/// Allows argument and return position `impl Trait` in a `const fn`.
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(accepted, const_impl_trait, "1.61.0", Some(77463), None),
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(accepted, const_impl_trait, "1.61.0", Some(77463)),
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/// Allows indexing into constant arrays.
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(accepted, const_indexing, "1.26.0", Some(29947), None),
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(accepted, const_indexing, "1.26.0", Some(29947)),
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/// Allows let bindings, assignments and destructuring in `const` functions and constants.
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/// As long as control flow is not implemented in const eval, `&&` and `||` may not be used
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/// at the same time as let bindings.
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(accepted, const_let, "1.33.0", Some(48821), None),
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(accepted, const_let, "1.33.0", Some(48821)),
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/// Allows the use of `loop` and `while` in constants.
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(accepted, const_loop, "1.46.0", Some(52000), None),
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(accepted, const_loop, "1.46.0", Some(52000)),
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/// Allows panicking during const eval (producing compile-time errors).
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(accepted, const_panic, "1.57.0", Some(51999), None),
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(accepted, const_panic, "1.57.0", Some(51999)),
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/// Allows dereferencing raw pointers during const eval.
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(accepted, const_raw_ptr_deref, "1.58.0", Some(51911), None),
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(accepted, const_raw_ptr_deref, "1.58.0", Some(51911)),
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/// Allows implementing `Copy` for closures where possible (RFC 2132).
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(accepted, copy_closures, "1.26.0", Some(44490), None),
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(accepted, copy_closures, "1.26.0", Some(44490)),
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/// Allows `crate` in paths.
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(accepted, crate_in_paths, "1.30.0", Some(45477), None),
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(accepted, crate_in_paths, "1.30.0", Some(45477)),
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/// Allows using `#[debugger_visualizer]` attribute.
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(accepted, debugger_visualizer, "1.71.0", Some(95939), None),
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(accepted, debugger_visualizer, "1.71.0", Some(95939)),
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/// Allows rustc to inject a default alloc_error_handler
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(accepted, default_alloc_error_handler, "1.68.0", Some(66741), None),
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(accepted, default_alloc_error_handler, "1.68.0", Some(66741)),
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/// Allows using assigning a default type to type parameters in algebraic data type definitions.
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(accepted, default_type_params, "1.0.0", None, None),
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(accepted, default_type_params, "1.0.0", None),
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/// Allows `#[deprecated]` attribute.
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(accepted, deprecated, "1.9.0", Some(29935), None),
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(accepted, deprecated, "1.9.0", Some(29935)),
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/// Allows `#[derive(Default)]` and `#[default]` on enums.
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(accepted, derive_default_enum, "1.62.0", Some(86985), None),
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(accepted, derive_default_enum, "1.62.0", Some(86985)),
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/// Allows the use of destructuring assignments.
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(accepted, destructuring_assignment, "1.59.0", Some(71126), None),
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(accepted, destructuring_assignment, "1.59.0", Some(71126)),
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/// Allows `#[doc(alias = "...")]`.
|
||||
(accepted, doc_alias, "1.48.0", Some(50146), None),
|
||||
(accepted, doc_alias, "1.48.0", Some(50146)),
|
||||
/// Allows `..` in tuple (struct) patterns.
|
||||
(accepted, dotdot_in_tuple_patterns, "1.14.0", Some(33627), None),
|
||||
(accepted, dotdot_in_tuple_patterns, "1.14.0", Some(33627)),
|
||||
/// Allows `..=` in patterns (RFC 1192).
|
||||
(accepted, dotdoteq_in_patterns, "1.26.0", Some(28237), None),
|
||||
(accepted, dotdoteq_in_patterns, "1.26.0", Some(28237)),
|
||||
/// Allows `Drop` types in constants (RFC 1440).
|
||||
(accepted, drop_types_in_const, "1.22.0", Some(33156), None),
|
||||
(accepted, drop_types_in_const, "1.22.0", Some(33156)),
|
||||
/// Allows using `dyn Trait` as a syntax for trait objects.
|
||||
(accepted, dyn_trait, "1.27.0", Some(44662), None),
|
||||
(accepted, dyn_trait, "1.27.0", Some(44662)),
|
||||
/// Allows integer match exhaustiveness checking (RFC 2591).
|
||||
(accepted, exhaustive_integer_patterns, "1.33.0", Some(50907), None),
|
||||
(accepted, exhaustive_integer_patterns, "1.33.0", Some(50907)),
|
||||
/// Allows explicit generic arguments specification with `impl Trait` present.
|
||||
(accepted, explicit_generic_args_with_impl_trait, "1.63.0", Some(83701), None),
|
||||
(accepted, explicit_generic_args_with_impl_trait, "1.63.0", Some(83701)),
|
||||
/// Allows arbitrary expressions in key-value attributes at parse time.
|
||||
(accepted, extended_key_value_attributes, "1.54.0", Some(78835), None),
|
||||
(accepted, extended_key_value_attributes, "1.54.0", Some(78835)),
|
||||
/// Allows resolving absolute paths as paths from other crates.
|
||||
(accepted, extern_absolute_paths, "1.30.0", Some(44660), None),
|
||||
(accepted, extern_absolute_paths, "1.30.0", Some(44660)),
|
||||
/// Allows `extern crate foo as bar;`. This puts `bar` into extern prelude.
|
||||
(accepted, extern_crate_item_prelude, "1.31.0", Some(55599), None),
|
||||
(accepted, extern_crate_item_prelude, "1.31.0", Some(55599)),
|
||||
/// Allows `extern crate self as foo;`.
|
||||
/// This puts local crate root into extern prelude under name `foo`.
|
||||
(accepted, extern_crate_self, "1.34.0", Some(56409), None),
|
||||
(accepted, extern_crate_self, "1.34.0", Some(56409)),
|
||||
/// Allows access to crate names passed via `--extern` through prelude.
|
||||
(accepted, extern_prelude, "1.30.0", Some(44660), None),
|
||||
(accepted, extern_prelude, "1.30.0", Some(44660)),
|
||||
/// Allows using F16C intrinsics from `core::arch::{x86, x86_64}`.
|
||||
(accepted, f16c_target_feature, "1.68.0", Some(44839), None),
|
||||
(accepted, f16c_target_feature, "1.68.0", Some(44839)),
|
||||
/// Allows field shorthands (`x` meaning `x: x`) in struct literal expressions.
|
||||
(accepted, field_init_shorthand, "1.17.0", Some(37340), None),
|
||||
(accepted, field_init_shorthand, "1.17.0", Some(37340)),
|
||||
/// Allows `#[must_use]` on functions, and introduces must-use operators (RFC 1940).
|
||||
(accepted, fn_must_use, "1.27.0", Some(43302), None),
|
||||
(accepted, fn_must_use, "1.27.0", Some(43302)),
|
||||
/// Allows capturing variables in scope using format_args!
|
||||
(accepted, format_args_capture, "1.58.0", Some(67984), None),
|
||||
(accepted, format_args_capture, "1.58.0", Some(67984)),
|
||||
/// Allows associated types to be generic, e.g., `type Foo<T>;` (RFC 1598).
|
||||
(accepted, generic_associated_types, "1.65.0", Some(44265), None),
|
||||
(accepted, generic_associated_types, "1.65.0", Some(44265)),
|
||||
/// Allows attributes on lifetime/type formal parameters in generics (RFC 1327).
|
||||
(accepted, generic_param_attrs, "1.27.0", Some(48848), None),
|
||||
(accepted, generic_param_attrs, "1.27.0", Some(48848)),
|
||||
/// Allows the `#[global_allocator]` attribute.
|
||||
(accepted, global_allocator, "1.28.0", Some(27389), None),
|
||||
(accepted, global_allocator, "1.28.0", Some(27389)),
|
||||
// FIXME: explain `globs`.
|
||||
(accepted, globs, "1.0.0", None, None),
|
||||
(accepted, globs, "1.0.0", None),
|
||||
/// Allows using `..=X` as a pattern.
|
||||
(accepted, half_open_range_patterns, "1.66.0", Some(67264), None),
|
||||
(accepted, half_open_range_patterns, "1.66.0", Some(67264)),
|
||||
/// Allows using the `u128` and `i128` types.
|
||||
(accepted, i128_type, "1.26.0", Some(35118), None),
|
||||
(accepted, i128_type, "1.26.0", Some(35118)),
|
||||
/// Allows the use of `if let` expressions.
|
||||
(accepted, if_let, "1.0.0", None, None),
|
||||
(accepted, if_let, "1.0.0", None),
|
||||
/// Allows top level or-patterns (`p | q`) in `if let` and `while let`.
|
||||
(accepted, if_while_or_patterns, "1.33.0", Some(48215), None),
|
||||
(accepted, if_while_or_patterns, "1.33.0", Some(48215)),
|
||||
/// Allows lifetime elision in `impl` headers. For example:
|
||||
/// + `impl<I:Iterator> Iterator for &mut Iterator`
|
||||
/// + `impl Debug for Foo<'_>`
|
||||
(accepted, impl_header_lifetime_elision, "1.31.0", Some(15872), None),
|
||||
(accepted, impl_header_lifetime_elision, "1.31.0", Some(15872)),
|
||||
/// Allows referencing `Self` and projections in impl-trait.
|
||||
(accepted, impl_trait_projections, "1.74.0", Some(103532), None),
|
||||
(accepted, impl_trait_projections, "1.74.0", Some(103532)),
|
||||
/// Allows using `a..=b` and `..=b` as inclusive range syntaxes.
|
||||
(accepted, inclusive_range_syntax, "1.26.0", Some(28237), None),
|
||||
(accepted, inclusive_range_syntax, "1.26.0", Some(28237)),
|
||||
/// Allows inferring outlives requirements (RFC 2093).
|
||||
(accepted, infer_outlives_requirements, "1.30.0", Some(44493), None),
|
||||
(accepted, infer_outlives_requirements, "1.30.0", Some(44493)),
|
||||
/// Allows irrefutable patterns in `if let` and `while let` statements (RFC 2086).
|
||||
(accepted, irrefutable_let_patterns, "1.33.0", Some(44495), None),
|
||||
(accepted, irrefutable_let_patterns, "1.33.0", Some(44495)),
|
||||
/// Allows `#[instruction_set(_)]` attribute.
|
||||
(accepted, isa_attribute, "1.67.0", Some(74727), None),
|
||||
(accepted, isa_attribute, "1.67.0", Some(74727)),
|
||||
/// Allows some increased flexibility in the name resolution rules,
|
||||
/// especially around globs and shadowing (RFC 1560).
|
||||
(accepted, item_like_imports, "1.15.0", Some(35120), None),
|
||||
(accepted, item_like_imports, "1.15.0", Some(35120)),
|
||||
/// Allows `'a: { break 'a; }`.
|
||||
(accepted, label_break_value, "1.65.0", Some(48594), None),
|
||||
(accepted, label_break_value, "1.65.0", Some(48594)),
|
||||
/// Allows `let...else` statements.
|
||||
(accepted, let_else, "1.65.0", Some(87335), None),
|
||||
(accepted, let_else, "1.65.0", Some(87335)),
|
||||
/// Allows `break {expr}` with a value inside `loop`s.
|
||||
(accepted, loop_break_value, "1.19.0", Some(37339), None),
|
||||
(accepted, loop_break_value, "1.19.0", Some(37339)),
|
||||
/// Allows use of `?` as the Kleene "at most one" operator in macros.
|
||||
(accepted, macro_at_most_once_rep, "1.32.0", Some(48075), None),
|
||||
(accepted, macro_at_most_once_rep, "1.32.0", Some(48075)),
|
||||
/// Allows macro attributes to observe output of `#[derive]`.
|
||||
(accepted, macro_attributes_in_derive_output, "1.57.0", Some(81119), None),
|
||||
(accepted, macro_attributes_in_derive_output, "1.57.0", Some(81119)),
|
||||
/// Allows use of the `:lifetime` macro fragment specifier.
|
||||
(accepted, macro_lifetime_matcher, "1.27.0", Some(34303), None),
|
||||
(accepted, macro_lifetime_matcher, "1.27.0", Some(34303)),
|
||||
/// Allows use of the `:literal` macro fragment specifier (RFC 1576).
|
||||
(accepted, macro_literal_matcher, "1.32.0", Some(35625), None),
|
||||
(accepted, macro_literal_matcher, "1.32.0", Some(35625)),
|
||||
/// Allows `macro_rules!` items.
|
||||
(accepted, macro_rules, "1.0.0", None, None),
|
||||
(accepted, macro_rules, "1.0.0", None),
|
||||
/// Allows use of the `:vis` macro fragment specifier
|
||||
(accepted, macro_vis_matcher, "1.30.0", Some(41022), None),
|
||||
(accepted, macro_vis_matcher, "1.30.0", Some(41022)),
|
||||
/// Allows macro invocations in `extern {}` blocks.
|
||||
(accepted, macros_in_extern, "1.40.0", Some(49476), None),
|
||||
(accepted, macros_in_extern, "1.40.0", Some(49476)),
|
||||
/// Allows '|' at beginning of match arms (RFC 1925).
|
||||
(accepted, match_beginning_vert, "1.25.0", Some(44101), None),
|
||||
(accepted, match_beginning_vert, "1.25.0", Some(44101)),
|
||||
/// Allows default match binding modes (RFC 2005).
|
||||
(accepted, match_default_bindings, "1.26.0", Some(42640), None),
|
||||
(accepted, match_default_bindings, "1.26.0", Some(42640)),
|
||||
/// Allows `impl Trait` with multiple unrelated lifetimes.
|
||||
(accepted, member_constraints, "1.54.0", Some(61997), None),
|
||||
(accepted, member_constraints, "1.54.0", Some(61997)),
|
||||
/// Allows the definition of `const fn` functions.
|
||||
(accepted, min_const_fn, "1.31.0", Some(53555), None),
|
||||
(accepted, min_const_fn, "1.31.0", Some(53555)),
|
||||
/// The smallest useful subset of const generics.
|
||||
(accepted, min_const_generics, "1.51.0", Some(74878), None),
|
||||
(accepted, min_const_generics, "1.51.0", Some(74878)),
|
||||
/// Allows calling `const unsafe fn` inside `unsafe` blocks in `const fn` functions.
|
||||
(accepted, min_const_unsafe_fn, "1.33.0", Some(55607), None),
|
||||
(accepted, min_const_unsafe_fn, "1.33.0", Some(55607)),
|
||||
/// Allows using `Self` and associated types in struct expressions and patterns.
|
||||
(accepted, more_struct_aliases, "1.16.0", Some(37544), None),
|
||||
(accepted, more_struct_aliases, "1.16.0", Some(37544)),
|
||||
/// Allows using the MOVBE target feature.
|
||||
(accepted, movbe_target_feature, "1.70.0", Some(44839), None),
|
||||
(accepted, movbe_target_feature, "1.70.0", Some(44839)),
|
||||
/// Allows patterns with concurrent by-move and by-ref bindings.
|
||||
/// For example, you can write `Foo(a, ref b)` where `a` is by-move and `b` is by-ref.
|
||||
(accepted, move_ref_pattern, "1.49.0", Some(68354), None),
|
||||
(accepted, move_ref_pattern, "1.49.0", Some(68354)),
|
||||
/// Allows specifying modifiers in the link attribute: `#[link(modifiers = "...")]`
|
||||
(accepted, native_link_modifiers, "1.61.0", Some(81490), None),
|
||||
(accepted, native_link_modifiers, "1.61.0", Some(81490)),
|
||||
/// Allows specifying the bundle link modifier
|
||||
(accepted, native_link_modifiers_bundle, "1.63.0", Some(81490), None),
|
||||
(accepted, native_link_modifiers_bundle, "1.63.0", Some(81490)),
|
||||
/// Allows specifying the verbatim link modifier
|
||||
(accepted, native_link_modifiers_verbatim, "1.67.0", Some(81490), None),
|
||||
(accepted, native_link_modifiers_verbatim, "1.67.0", Some(81490)),
|
||||
/// Allows specifying the whole-archive link modifier
|
||||
(accepted, native_link_modifiers_whole_archive, "1.61.0", Some(81490), None),
|
||||
(accepted, native_link_modifiers_whole_archive, "1.61.0", Some(81490)),
|
||||
/// Allows using non lexical lifetimes (RFC 2094).
|
||||
(accepted, nll, "1.63.0", Some(43234), None),
|
||||
(accepted, nll, "1.63.0", Some(43234)),
|
||||
/// Allows using `#![no_std]`.
|
||||
(accepted, no_std, "1.6.0", None, None),
|
||||
(accepted, no_std, "1.6.0", None),
|
||||
/// Allows defining identifiers beyond ASCII.
|
||||
(accepted, non_ascii_idents, "1.53.0", Some(55467), None),
|
||||
(accepted, non_ascii_idents, "1.53.0", Some(55467)),
|
||||
/// Allows future-proofing enums/structs with the `#[non_exhaustive]` attribute (RFC 2008).
|
||||
(accepted, non_exhaustive, "1.40.0", Some(44109), None),
|
||||
(accepted, non_exhaustive, "1.40.0", Some(44109)),
|
||||
/// Allows `foo.rs` as an alternative to `foo/mod.rs`.
|
||||
(accepted, non_modrs_mods, "1.30.0", Some(44660), None),
|
||||
(accepted, non_modrs_mods, "1.30.0", Some(44660)),
|
||||
/// Allows the use of or-patterns (e.g., `0 | 1`).
|
||||
(accepted, or_patterns, "1.53.0", Some(54883), None),
|
||||
(accepted, or_patterns, "1.53.0", Some(54883)),
|
||||
/// Allows using `+bundle,+whole-archive` link modifiers with native libs.
|
||||
(accepted, packed_bundled_libs, "1.74.0", Some(108081), None),
|
||||
(accepted, packed_bundled_libs, "1.74.0", Some(108081)),
|
||||
/// Allows annotating functions conforming to `fn(&PanicInfo) -> !` with `#[panic_handler]`.
|
||||
/// This defines the behavior of panics.
|
||||
(accepted, panic_handler, "1.30.0", Some(44489), None),
|
||||
(accepted, panic_handler, "1.30.0", Some(44489)),
|
||||
/// Allows attributes in formal function parameters.
|
||||
(accepted, param_attrs, "1.39.0", Some(60406), None),
|
||||
(accepted, param_attrs, "1.39.0", Some(60406)),
|
||||
/// Allows parentheses in patterns.
|
||||
(accepted, pattern_parentheses, "1.31.0", Some(51087), None),
|
||||
(accepted, pattern_parentheses, "1.31.0", Some(51087)),
|
||||
/// Allows procedural macros in `proc-macro` crates.
|
||||
(accepted, proc_macro, "1.29.0", Some(38356), None),
|
||||
(accepted, proc_macro, "1.29.0", Some(38356)),
|
||||
/// Allows multi-segment paths in attributes and derives.
|
||||
(accepted, proc_macro_path_invoc, "1.30.0", Some(38356), None),
|
||||
(accepted, proc_macro_path_invoc, "1.30.0", Some(38356)),
|
||||
/// Allows `pub(restricted)` visibilities (RFC 1422).
|
||||
(accepted, pub_restricted, "1.18.0", Some(32409), None),
|
||||
(accepted, pub_restricted, "1.18.0", Some(32409)),
|
||||
/// Allows use of the postfix `?` operator in expressions.
|
||||
(accepted, question_mark, "1.13.0", Some(31436), None),
|
||||
(accepted, question_mark, "1.13.0", Some(31436)),
|
||||
/// Allows the use of raw-dylibs (RFC 2627).
|
||||
(accepted, raw_dylib, "1.71.0", Some(58713), None),
|
||||
(accepted, raw_dylib, "1.71.0", Some(58713)),
|
||||
/// Allows keywords to be escaped for use as identifiers.
|
||||
(accepted, raw_identifiers, "1.30.0", Some(48589), None),
|
||||
(accepted, raw_identifiers, "1.30.0", Some(48589)),
|
||||
/// Allows relaxing the coherence rules such that
|
||||
/// `impl<T> ForeignTrait<LocalType> for ForeignType<T>` is permitted.
|
||||
(accepted, re_rebalance_coherence, "1.41.0", Some(55437), None),
|
||||
(accepted, re_rebalance_coherence, "1.41.0", Some(55437)),
|
||||
/// Allows numeric fields in struct expressions and patterns.
|
||||
(accepted, relaxed_adts, "1.19.0", Some(35626), None),
|
||||
(accepted, relaxed_adts, "1.19.0", Some(35626)),
|
||||
/// Lessens the requirements for structs to implement `Unsize`.
|
||||
(accepted, relaxed_struct_unsize, "1.58.0", Some(81793), None),
|
||||
(accepted, relaxed_struct_unsize, "1.58.0", Some(81793)),
|
||||
/// Allows `repr(align(16))` struct attribute (RFC 1358).
|
||||
(accepted, repr_align, "1.25.0", Some(33626), None),
|
||||
(accepted, repr_align, "1.25.0", Some(33626)),
|
||||
/// Allows using `#[repr(align(X))]` on enums with equivalent semantics
|
||||
/// to wrapping an enum in a wrapper struct with `#[repr(align(X))]`.
|
||||
(accepted, repr_align_enum, "1.37.0", Some(57996), None),
|
||||
(accepted, repr_align_enum, "1.37.0", Some(57996)),
|
||||
/// Allows `#[repr(packed(N))]` attribute on structs.
|
||||
(accepted, repr_packed, "1.33.0", Some(33158), None),
|
||||
(accepted, repr_packed, "1.33.0", Some(33158)),
|
||||
/// Allows `#[repr(transparent)]` attribute on newtype structs.
|
||||
(accepted, repr_transparent, "1.28.0", Some(43036), None),
|
||||
(accepted, repr_transparent, "1.28.0", Some(43036)),
|
||||
/// Allows return-position `impl Trait` in traits.
|
||||
(accepted, return_position_impl_trait_in_trait, "1.75.0", Some(91611), None),
|
||||
(accepted, return_position_impl_trait_in_trait, "1.75.0", Some(91611)),
|
||||
/// Allows code like `let x: &'static u32 = &42` to work (RFC 1414).
|
||||
(accepted, rvalue_static_promotion, "1.21.0", Some(38865), None),
|
||||
(accepted, rvalue_static_promotion, "1.21.0", Some(38865)),
|
||||
/// Allows `Self` in type definitions (RFC 2300).
|
||||
(accepted, self_in_typedefs, "1.32.0", Some(49303), None),
|
||||
(accepted, self_in_typedefs, "1.32.0", Some(49303)),
|
||||
/// Allows `Self` struct constructor (RFC 2302).
|
||||
(accepted, self_struct_ctor, "1.32.0", Some(51994), None),
|
||||
(accepted, self_struct_ctor, "1.32.0", Some(51994)),
|
||||
/// Allows using subslice patterns, `[a, .., b]` and `[a, xs @ .., b]`.
|
||||
(accepted, slice_patterns, "1.42.0", Some(62254), None),
|
||||
(accepted, slice_patterns, "1.42.0", Some(62254)),
|
||||
/// Allows use of `&foo[a..b]` as a slicing syntax.
|
||||
(accepted, slicing_syntax, "1.0.0", None, None),
|
||||
(accepted, slicing_syntax, "1.0.0", None),
|
||||
/// Allows elision of `'static` lifetimes in `static`s and `const`s.
|
||||
(accepted, static_in_const, "1.17.0", Some(35897), None),
|
||||
(accepted, static_in_const, "1.17.0", Some(35897)),
|
||||
/// Allows the definition recursive static items.
|
||||
(accepted, static_recursion, "1.17.0", Some(29719), None),
|
||||
(accepted, static_recursion, "1.17.0", Some(29719)),
|
||||
/// Allows attributes on struct literal fields.
|
||||
(accepted, struct_field_attributes, "1.20.0", Some(38814), None),
|
||||
(accepted, struct_field_attributes, "1.20.0", Some(38814)),
|
||||
/// Allows struct variants `Foo { baz: u8, .. }` in enums (RFC 418).
|
||||
(accepted, struct_variant, "1.0.0", None, None),
|
||||
(accepted, struct_variant, "1.0.0", None),
|
||||
/// Allows `#[target_feature(...)]`.
|
||||
(accepted, target_feature, "1.27.0", None, None),
|
||||
(accepted, target_feature, "1.27.0", None),
|
||||
/// Allows `fn main()` with return types which implements `Termination` (RFC 1937).
|
||||
(accepted, termination_trait, "1.26.0", Some(43301), None),
|
||||
(accepted, termination_trait, "1.26.0", Some(43301)),
|
||||
/// Allows `#[test]` functions where the return type implements `Termination` (RFC 1937).
|
||||
(accepted, termination_trait_test, "1.27.0", Some(48854), None),
|
||||
(accepted, termination_trait_test, "1.27.0", Some(48854)),
|
||||
/// Allows attributes scoped to tools.
|
||||
(accepted, tool_attributes, "1.30.0", Some(44690), None),
|
||||
(accepted, tool_attributes, "1.30.0", Some(44690)),
|
||||
/// Allows scoped lints.
|
||||
(accepted, tool_lints, "1.31.0", Some(44690), None),
|
||||
(accepted, tool_lints, "1.31.0", Some(44690)),
|
||||
/// Allows `#[track_caller]` to be used which provides
|
||||
/// accurate caller location reporting during panic (RFC 2091).
|
||||
(accepted, track_caller, "1.46.0", Some(47809), None),
|
||||
(accepted, track_caller, "1.46.0", Some(47809)),
|
||||
/// Allows dyn upcasting trait objects via supertraits.
|
||||
/// Dyn upcasting is casting, e.g., `dyn Foo -> dyn Bar` where `Foo: Bar`.
|
||||
(accepted, trait_upcasting, "CURRENT_RUSTC_VERSION", Some(65991), None),
|
||||
(accepted, trait_upcasting, "CURRENT_RUSTC_VERSION", Some(65991)),
|
||||
/// Allows #[repr(transparent)] on univariant enums (RFC 2645).
|
||||
(accepted, transparent_enums, "1.42.0", Some(60405), None),
|
||||
(accepted, transparent_enums, "1.42.0", Some(60405)),
|
||||
/// Allows indexing tuples.
|
||||
(accepted, tuple_indexing, "1.0.0", None, None),
|
||||
(accepted, tuple_indexing, "1.0.0", None),
|
||||
/// Allows paths to enum variants on type aliases including `Self`.
|
||||
(accepted, type_alias_enum_variants, "1.37.0", Some(49683), None),
|
||||
(accepted, type_alias_enum_variants, "1.37.0", Some(49683)),
|
||||
/// Allows macros to appear in the type position.
|
||||
(accepted, type_macros, "1.13.0", Some(27245), None),
|
||||
(accepted, type_macros, "1.13.0", Some(27245)),
|
||||
/// Allows `const _: TYPE = VALUE`.
|
||||
(accepted, underscore_const_names, "1.37.0", Some(54912), None),
|
||||
(accepted, underscore_const_names, "1.37.0", Some(54912)),
|
||||
/// Allows `use path as _;` and `extern crate c as _;`.
|
||||
(accepted, underscore_imports, "1.33.0", Some(48216), None),
|
||||
(accepted, underscore_imports, "1.33.0", Some(48216)),
|
||||
/// Allows `'_` placeholder lifetimes.
|
||||
(accepted, underscore_lifetimes, "1.26.0", Some(44524), None),
|
||||
(accepted, underscore_lifetimes, "1.26.0", Some(44524)),
|
||||
/// Allows `use x::y;` to search `x` in the current scope.
|
||||
(accepted, uniform_paths, "1.32.0", Some(53130), None),
|
||||
(accepted, uniform_paths, "1.32.0", Some(53130)),
|
||||
/// Allows `impl Trait` in function arguments.
|
||||
(accepted, universal_impl_trait, "1.26.0", Some(34511), None),
|
||||
(accepted, universal_impl_trait, "1.26.0", Some(34511)),
|
||||
/// Allows arbitrary delimited token streams in non-macro attributes.
|
||||
(accepted, unrestricted_attribute_tokens, "1.34.0", Some(55208), None),
|
||||
(accepted, unrestricted_attribute_tokens, "1.34.0", Some(55208)),
|
||||
/// The `unsafe_op_in_unsafe_fn` lint (allowed by default): no longer treat an unsafe function as an unsafe block.
|
||||
(accepted, unsafe_block_in_unsafe_fn, "1.52.0", Some(71668), None),
|
||||
(accepted, unsafe_block_in_unsafe_fn, "1.52.0", Some(71668)),
|
||||
/// Allows importing and reexporting macros with `use`,
|
||||
/// enables macro modularization in general.
|
||||
(accepted, use_extern_macros, "1.30.0", Some(35896), None),
|
||||
(accepted, use_extern_macros, "1.30.0", Some(35896)),
|
||||
/// Allows nested groups in `use` items (RFC 2128).
|
||||
(accepted, use_nested_groups, "1.25.0", Some(44494), None),
|
||||
(accepted, use_nested_groups, "1.25.0", Some(44494)),
|
||||
/// Allows `#[used]` to preserve symbols (see llvm.compiler.used).
|
||||
(accepted, used, "1.30.0", Some(40289), None),
|
||||
(accepted, used, "1.30.0", Some(40289)),
|
||||
/// Allows the use of `while let` expressions.
|
||||
(accepted, while_let, "1.0.0", None, None),
|
||||
(accepted, while_let, "1.0.0", None),
|
||||
/// Allows `#![windows_subsystem]`.
|
||||
(accepted, windows_subsystem, "1.18.0", Some(37499), None),
|
||||
(accepted, windows_subsystem, "1.18.0", Some(37499)),
|
||||
// !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!!
|
||||
// Features are listed in alphabetical order. Tidy will fail if you don't keep it this way.
|
||||
// !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!!
|
||||
|
||||
@ -26,7 +26,7 @@ mod unstable;
|
||||
#[cfg(test)]
|
||||
mod tests;
|
||||
|
||||
use rustc_span::{edition::Edition, symbol::Symbol};
|
||||
use rustc_span::symbol::Symbol;
|
||||
use std::num::NonZeroU32;
|
||||
|
||||
#[derive(Debug, Clone)]
|
||||
@ -34,7 +34,6 @@ pub struct Feature {
|
||||
pub name: Symbol,
|
||||
pub since: &'static str,
|
||||
issue: Option<NonZeroU32>,
|
||||
pub edition: Option<Edition>,
|
||||
}
|
||||
|
||||
#[derive(Copy, Clone, Debug)]
|
||||
|
||||
@ -10,7 +10,7 @@ pub struct RemovedFeature {
|
||||
|
||||
macro_rules! declare_features {
|
||||
($(
|
||||
$(#[doc = $doc:tt])* (removed, $feature:ident, $ver:expr, $issue:expr, None, $reason:expr),
|
||||
$(#[doc = $doc:tt])* (removed, $feature:ident, $ver:expr, $issue:expr, $reason:expr),
|
||||
)+) => {
|
||||
/// Formerly unstable features that have now been removed.
|
||||
pub const REMOVED_FEATURES: &[RemovedFeature] = &[
|
||||
@ -19,7 +19,6 @@ macro_rules! declare_features {
|
||||
name: sym::$feature,
|
||||
since: $ver,
|
||||
issue: to_nonzero($issue),
|
||||
edition: None,
|
||||
},
|
||||
reason: $reason
|
||||
}),+
|
||||
@ -33,176 +32,178 @@ declare_features! (
|
||||
// feature-group-start: removed features
|
||||
// -------------------------------------------------------------------------
|
||||
|
||||
(removed, advanced_slice_patterns, "1.0.0", Some(62254), None,
|
||||
(removed, advanced_slice_patterns, "1.0.0", Some(62254),
|
||||
Some("merged into `#![feature(slice_patterns)]`")),
|
||||
(removed, allocator, "1.0.0", None, None, None),
|
||||
(removed, allocator, "1.0.0", None, None),
|
||||
/// Allows a test to fail without failing the whole suite.
|
||||
(removed, allow_fail, "1.19.0", Some(46488), None, Some("removed due to no clear use cases")),
|
||||
(removed, await_macro, "1.38.0", Some(50547), None,
|
||||
(removed, allow_fail, "1.19.0", Some(46488), Some("removed due to no clear use cases")),
|
||||
(removed, await_macro, "1.38.0", Some(50547),
|
||||
Some("subsumed by `.await` syntax")),
|
||||
/// Allows using the `box $expr` syntax.
|
||||
(removed, box_syntax, "1.70.0", Some(49733), None, Some("replaced with `#[rustc_box]`")),
|
||||
(removed, box_syntax, "1.70.0", Some(49733), Some("replaced with `#[rustc_box]`")),
|
||||
/// Allows capturing disjoint fields in a closure/coroutine (RFC 2229).
|
||||
(removed, capture_disjoint_fields, "1.49.0", Some(53488), None, Some("stabilized in Rust 2021")),
|
||||
(removed, capture_disjoint_fields, "1.49.0", Some(53488), Some("stabilized in Rust 2021")),
|
||||
/// Allows comparing raw pointers during const eval.
|
||||
(removed, const_compare_raw_pointers, "1.46.0", Some(53020), None,
|
||||
(removed, const_compare_raw_pointers, "1.46.0", Some(53020),
|
||||
Some("cannot be allowed in const eval in any meaningful way")),
|
||||
/// Allows limiting the evaluation steps of const expressions
|
||||
(removed, const_eval_limit, "1.43.0", Some(67217), None, Some("removed the limit entirely")),
|
||||
(removed, const_eval_limit, "1.43.0", Some(67217), Some("removed the limit entirely")),
|
||||
/// Allows non-trivial generic constants which have to be manually propagated upwards.
|
||||
(removed, const_evaluatable_checked, "1.48.0", Some(76560), None, Some("renamed to `generic_const_exprs`")),
|
||||
(removed, const_evaluatable_checked, "1.48.0", Some(76560), Some("renamed to `generic_const_exprs`")),
|
||||
/// Allows the definition of `const` functions with some advanced features.
|
||||
(removed, const_fn, "1.54.0", Some(57563), None,
|
||||
(removed, const_fn, "1.54.0", Some(57563),
|
||||
Some("split into finer-grained feature gates")),
|
||||
/// Allows const generic types (e.g. `struct Foo<const N: usize>(...);`).
|
||||
(removed, const_generics, "1.34.0", Some(44580), None,
|
||||
(removed, const_generics, "1.34.0", Some(44580),
|
||||
Some("removed in favor of `#![feature(adt_const_params)]` and `#![feature(generic_const_exprs)]`")),
|
||||
/// Allows `[x; N]` where `x` is a constant (RFC 2203).
|
||||
(removed, const_in_array_repeat_expressions, "1.37.0", Some(49147), None,
|
||||
(removed, const_in_array_repeat_expressions, "1.37.0", Some(49147),
|
||||
Some("removed due to causing promotable bugs")),
|
||||
/// Allows casting raw pointers to `usize` during const eval.
|
||||
(removed, const_raw_ptr_to_usize_cast, "1.55.0", Some(51910), None,
|
||||
(removed, const_raw_ptr_to_usize_cast, "1.55.0", Some(51910),
|
||||
Some("at compile-time, pointers do not have an integer value, so these casts cannot be properly supported")),
|
||||
/// Allows `T: ?const Trait` syntax in bounds.
|
||||
(removed, const_trait_bound_opt_out, "1.42.0", Some(67794), None,
|
||||
(removed, const_trait_bound_opt_out, "1.42.0", Some(67794),
|
||||
Some("Removed in favor of `~const` bound in #![feature(const_trait_impl)]")),
|
||||
/// Allows using `crate` as visibility modifier, synonymous with `pub(crate)`.
|
||||
(removed, crate_visibility_modifier, "1.63.0", Some(53120), None, Some("removed in favor of `pub(crate)`")),
|
||||
(removed, crate_visibility_modifier, "1.63.0", Some(53120), Some("removed in favor of `pub(crate)`")),
|
||||
/// Allows using custom attributes (RFC 572).
|
||||
(removed, custom_attribute, "1.0.0", Some(29642), None,
|
||||
(removed, custom_attribute, "1.0.0", Some(29642),
|
||||
Some("removed in favor of `#![register_tool]` and `#![register_attr]`")),
|
||||
/// Allows the use of `#[derive(Anything)]` as sugar for `#[derive_Anything]`.
|
||||
(removed, custom_derive, "1.32.0", Some(29644), None,
|
||||
(removed, custom_derive, "1.32.0", Some(29644),
|
||||
Some("subsumed by `#[proc_macro_derive]`")),
|
||||
/// Allows using `#[doc(keyword = "...")]`.
|
||||
(removed, doc_keyword, "1.28.0", Some(51315), None,
|
||||
(removed, doc_keyword, "1.28.0", Some(51315),
|
||||
Some("merged into `#![feature(rustdoc_internals)]`")),
|
||||
/// Allows using `doc(primitive)` without a future-incompat warning.
|
||||
(removed, doc_primitive, "1.56.0", Some(88070), None,
|
||||
(removed, doc_primitive, "1.56.0", Some(88070),
|
||||
Some("merged into `#![feature(rustdoc_internals)]`")),
|
||||
/// Allows `#[doc(spotlight)]`.
|
||||
/// The attribute was renamed to `#[doc(notable_trait)]`
|
||||
/// and the feature to `doc_notable_trait`.
|
||||
(removed, doc_spotlight, "1.22.0", Some(45040), None,
|
||||
(removed, doc_spotlight, "1.22.0", Some(45040),
|
||||
Some("renamed to `doc_notable_trait`")),
|
||||
/// Allows using `#[unsafe_destructor_blind_to_params]` (RFC 1238).
|
||||
(removed, dropck_parametricity, "1.38.0", Some(28498), None, None),
|
||||
(removed, dropck_parametricity, "1.38.0", Some(28498), None),
|
||||
/// Allows defining `existential type`s.
|
||||
(removed, existential_type, "1.38.0", Some(63063), None,
|
||||
(removed, existential_type, "1.38.0", Some(63063),
|
||||
Some("removed in favor of `#![feature(type_alias_impl_trait)]`")),
|
||||
/// Paths of the form: `extern::foo::bar`
|
||||
(removed, extern_in_paths, "1.33.0", Some(55600), None,
|
||||
(removed, extern_in_paths, "1.33.0", Some(55600),
|
||||
Some("subsumed by `::foo::bar` paths")),
|
||||
/// Allows `#[doc(include = "some-file")]`.
|
||||
(removed, external_doc, "1.54.0", Some(44732), None,
|
||||
(removed, external_doc, "1.54.0", Some(44732),
|
||||
Some("use #[doc = include_str!(\"filename\")] instead, which handles macro invocations")),
|
||||
/// Allows generators to be cloned.
|
||||
(removed, generator_clone, "1.65.0", Some(95360), None, Some("renamed to `coroutine_clone`")),
|
||||
(removed, generator_clone, "1.65.0", Some(95360), Some("renamed to `coroutine_clone`")),
|
||||
/// Allows defining generators.
|
||||
(removed, generators, "1.21.0", Some(43122), None, Some("renamed to `coroutines`")),
|
||||
(removed, generators, "1.21.0", Some(43122), Some("renamed to `coroutines`")),
|
||||
/// Allows `impl Trait` in bindings (`let`, `const`, `static`).
|
||||
(removed, impl_trait_in_bindings, "1.55.0", Some(63065), None,
|
||||
(removed, impl_trait_in_bindings, "1.55.0", Some(63065),
|
||||
Some("the implementation was not maintainable, the feature may get reintroduced once the current refactorings are done")),
|
||||
(removed, import_shadowing, "1.0.0", None, None, None),
|
||||
(removed, import_shadowing, "1.0.0", None, None),
|
||||
/// Allows in-band quantification of lifetime bindings (e.g., `fn foo(x: &'a u8) -> &'a u8`).
|
||||
(removed, in_band_lifetimes, "1.23.0", Some(44524), None,
|
||||
(removed, in_band_lifetimes, "1.23.0", Some(44524),
|
||||
Some("removed due to unsolved ergonomic questions and added lifetime resolution complexity")),
|
||||
/// Allows inferring `'static` outlives requirements (RFC 2093).
|
||||
(removed, infer_static_outlives_requirements, "1.63.0", Some(54185), None,
|
||||
(removed, infer_static_outlives_requirements, "1.63.0", Some(54185),
|
||||
Some("removed as it caused some confusion and discussion was inactive for years")),
|
||||
/// Lazily evaluate constants. This allows constants to depend on type parameters.
|
||||
(removed, lazy_normalization_consts, "1.46.0", Some(72219), None, Some("superseded by `generic_const_exprs`")),
|
||||
(removed, lazy_normalization_consts, "1.46.0", Some(72219), Some("superseded by `generic_const_exprs`")),
|
||||
/// Allows using the `#[link_args]` attribute.
|
||||
(removed, link_args, "1.53.0", Some(29596), None,
|
||||
(removed, link_args, "1.53.0", Some(29596),
|
||||
Some("removed in favor of using `-C link-arg=ARG` on command line, \
|
||||
which is available from cargo build scripts with `cargo:rustc-link-arg` now")),
|
||||
(removed, macro_reexport, "1.0.0", Some(29638), None,
|
||||
(removed, macro_reexport, "1.0.0", Some(29638),
|
||||
Some("subsumed by `pub use`")),
|
||||
/// Allows using `#[main]` to replace the entrypoint `#[lang = "start"]` calls.
|
||||
(removed, main, "1.53.0", Some(29634), None, None),
|
||||
(removed, managed_boxes, "1.0.0", None, None, None),
|
||||
(removed, main, "1.53.0", Some(29634), None),
|
||||
(removed, managed_boxes, "1.0.0", None, None),
|
||||
/// Allows the use of type alias impl trait in function return positions
|
||||
(removed, min_type_alias_impl_trait, "1.56.0", Some(63063), None,
|
||||
(removed, min_type_alias_impl_trait, "1.56.0", Some(63063),
|
||||
Some("removed in favor of full type_alias_impl_trait")),
|
||||
(removed, needs_allocator, "1.4.0", Some(27389), None,
|
||||
(removed, needs_allocator, "1.4.0", Some(27389),
|
||||
Some("subsumed by `#![feature(allocator_internals)]`")),
|
||||
/// Allows use of unary negate on unsigned integers, e.g., -e for e: u8
|
||||
(removed, negate_unsigned, "1.0.0", Some(29645), None, None),
|
||||
(removed, negate_unsigned, "1.0.0", Some(29645), None),
|
||||
/// Allows `#[no_coverage]` on functions.
|
||||
/// The feature was renamed to `coverage_attribute` and the attribute to `#[coverage(on|off)]`
|
||||
(removed, no_coverage, "1.74.0", Some(84605), None, Some("renamed to `coverage_attribute`")),
|
||||
(removed, no_coverage, "1.74.0", Some(84605), Some("renamed to `coverage_attribute`")),
|
||||
/// Allows `#[no_debug]`.
|
||||
(removed, no_debug, "1.43.0", Some(29721), None, Some("removed due to lack of demand")),
|
||||
(removed, no_debug, "1.43.0", Some(29721), Some("removed due to lack of demand")),
|
||||
/// Note: this feature was previously recorded in a separate
|
||||
/// `STABLE_REMOVED` list because it, uniquely, was once stable but was
|
||||
/// then removed. But there was no utility storing it separately, so now
|
||||
/// it's in this list.
|
||||
(removed, no_stack_check, "1.0.0", None, None, None),
|
||||
(removed, no_stack_check, "1.0.0", None, None),
|
||||
/// Allows using `#[on_unimplemented(..)]` on traits.
|
||||
/// (Moved to `rustc_attrs`.)
|
||||
(removed, on_unimplemented, "1.40.0", None, None, None),
|
||||
(removed, on_unimplemented, "1.40.0", None, None),
|
||||
/// A way to temporarily opt out of opt-in copy. This will *never* be accepted.
|
||||
(removed, opt_out_copy, "1.0.0", None, None, None),
|
||||
(removed, opt_out_copy, "1.0.0", None, None),
|
||||
/// Allows features specific to OIBIT (now called auto traits).
|
||||
/// Renamed to `auto_traits`.
|
||||
(removed, optin_builtin_traits, "1.0.0", Some(13231), None,
|
||||
(removed, optin_builtin_traits, "1.0.0", Some(13231),
|
||||
Some("renamed to `auto_traits`")),
|
||||
/// Allows overlapping impls of marker traits.
|
||||
(removed, overlapping_marker_traits, "1.42.0", Some(29864), None,
|
||||
(removed, overlapping_marker_traits, "1.42.0", Some(29864),
|
||||
Some("removed in favor of `#![feature(marker_trait_attr)]`")),
|
||||
(removed, panic_implementation, "1.28.0", Some(44489), None,
|
||||
(removed, panic_implementation, "1.28.0", Some(44489),
|
||||
Some("subsumed by `#[panic_handler]`")),
|
||||
/// Allows using `#![plugin(myplugin)]`.
|
||||
(removed, plugin, "1.75.0", Some(29597), None,
|
||||
(removed, plugin, "1.75.0", Some(29597),
|
||||
Some("plugins are no longer supported")),
|
||||
/// Allows using `#[plugin_registrar]` on functions.
|
||||
(removed, plugin_registrar, "1.54.0", Some(29597), None,
|
||||
(removed, plugin_registrar, "1.54.0", Some(29597),
|
||||
Some("plugins are no longer supported")),
|
||||
/// Allows exhaustive integer pattern matching with `usize::MAX`/`isize::MIN`/`isize::MAX`.
|
||||
(removed, precise_pointer_size_matching, "1.32.0", Some(56354), None,
|
||||
(removed, precise_pointer_size_matching, "1.32.0", Some(56354),
|
||||
Some("removed in favor of half-open ranges")),
|
||||
(removed, proc_macro_expr, "1.27.0", Some(54727), None,
|
||||
(removed, proc_macro_expr, "1.27.0", Some(54727),
|
||||
Some("subsumed by `#![feature(proc_macro_hygiene)]`")),
|
||||
(removed, proc_macro_gen, "1.27.0", Some(54727), None,
|
||||
(removed, proc_macro_gen, "1.27.0", Some(54727),
|
||||
Some("subsumed by `#![feature(proc_macro_hygiene)]`")),
|
||||
(removed, proc_macro_mod, "1.27.0", Some(54727), None,
|
||||
(removed, proc_macro_mod, "1.27.0", Some(54727),
|
||||
Some("subsumed by `#![feature(proc_macro_hygiene)]`")),
|
||||
(removed, proc_macro_non_items, "1.27.0", Some(54727), None,
|
||||
(removed, proc_macro_non_items, "1.27.0", Some(54727),
|
||||
Some("subsumed by `#![feature(proc_macro_hygiene)]`")),
|
||||
(removed, pub_macro_rules, "1.53.0", Some(78855), None,
|
||||
(removed, pub_macro_rules, "1.53.0", Some(78855),
|
||||
Some("removed due to being incomplete, in particular it does not work across crates")),
|
||||
(removed, pushpop_unsafe, "1.2.0", None, None, None),
|
||||
(removed, quad_precision_float, "1.0.0", None, None, None),
|
||||
(removed, quote, "1.33.0", Some(29601), None, None),
|
||||
(removed, reflect, "1.0.0", Some(27749), None, None),
|
||||
(removed, pushpop_unsafe, "1.2.0", None, None),
|
||||
(removed, quad_precision_float, "1.0.0", None, None),
|
||||
(removed, quote, "1.33.0", Some(29601), None),
|
||||
(removed, reflect, "1.0.0", Some(27749), None),
|
||||
/// Allows using the `#[register_attr]` attribute.
|
||||
(removed, register_attr, "1.65.0", Some(66080), None,
|
||||
(removed, register_attr, "1.65.0", Some(66080),
|
||||
Some("removed in favor of `#![register_tool]`")),
|
||||
(removed, rust_2018_preview, "CURRENT_RUSTC_VERSION", None,
|
||||
Some("2018 Edition preview is no longer relevant")),
|
||||
/// Allows using the macros:
|
||||
/// + `__diagnostic_used`
|
||||
/// + `__register_diagnostic`
|
||||
/// +`__build_diagnostic_array`
|
||||
(removed, rustc_diagnostic_macros, "1.38.0", None, None, None),
|
||||
(removed, rustc_diagnostic_macros, "1.38.0", None, None),
|
||||
/// Allows identifying crates that contain sanitizer runtimes.
|
||||
(removed, sanitizer_runtime, "1.17.0", None, None, None),
|
||||
(removed, simd, "1.0.0", Some(27731), None,
|
||||
(removed, sanitizer_runtime, "1.17.0", None, None),
|
||||
(removed, simd, "1.0.0", Some(27731),
|
||||
Some("removed in favor of `#[repr(simd)]`")),
|
||||
/// Allows `#[link(kind = "static-nobundle", ...)]`.
|
||||
(removed, static_nobundle, "1.16.0", Some(37403), None,
|
||||
(removed, static_nobundle, "1.16.0", Some(37403),
|
||||
Some(r#"subsumed by `#[link(kind = "static", modifiers = "-bundle", ...)]`"#)),
|
||||
(removed, struct_inherit, "1.0.0", None, None, None),
|
||||
(removed, test_removed_feature, "1.0.0", None, None, None),
|
||||
(removed, struct_inherit, "1.0.0", None, None),
|
||||
(removed, test_removed_feature, "1.0.0", None, None),
|
||||
/// Allows using items which are missing stability attributes
|
||||
(removed, unmarked_api, "1.0.0", None, None, None),
|
||||
(removed, unsafe_no_drop_flag, "1.0.0", None, None, None),
|
||||
(removed, unmarked_api, "1.0.0", None, None),
|
||||
(removed, unsafe_no_drop_flag, "1.0.0", None, None),
|
||||
/// Allows `union` fields that don't implement `Copy` as long as they don't have any drop glue.
|
||||
(removed, untagged_unions, "1.13.0", Some(55149), None,
|
||||
(removed, untagged_unions, "1.13.0", Some(55149),
|
||||
Some("unions with `Copy` and `ManuallyDrop` fields are stable; there is no intent to stabilize more")),
|
||||
/// Allows `#[unwind(..)]`.
|
||||
///
|
||||
/// Permits specifying whether a function should permit unwinding or abort on unwind.
|
||||
(removed, unwind_attributes, "1.56.0", Some(58760), None, Some("use the C-unwind ABI instead")),
|
||||
(removed, visible_private_types, "1.0.0", None, None, None),
|
||||
(removed, unwind_attributes, "1.56.0", Some(58760), Some("use the C-unwind ABI instead")),
|
||||
(removed, visible_private_types, "1.0.0", None, None),
|
||||
// !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!!
|
||||
// Features are listed in alphabetical order. Tidy will fail if you don't keep it this way.
|
||||
// !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!!
|
||||
|
||||
@ -3,7 +3,6 @@
|
||||
use super::{to_nonzero, Feature};
|
||||
|
||||
use rustc_data_structures::fx::FxHashSet;
|
||||
use rustc_span::edition::Edition;
|
||||
use rustc_span::symbol::{sym, Symbol};
|
||||
use rustc_span::Span;
|
||||
|
||||
@ -33,7 +32,7 @@ macro_rules! status_to_enum {
|
||||
|
||||
macro_rules! declare_features {
|
||||
($(
|
||||
$(#[doc = $doc:tt])* ($status:ident, $feature:ident, $ver:expr, $issue:expr, $edition:expr),
|
||||
$(#[doc = $doc:tt])* ($status:ident, $feature:ident, $ver:expr, $issue:expr),
|
||||
)+) => {
|
||||
/// Unstable language features that are being implemented or being
|
||||
/// considered for acceptance (stabilization) or removal.
|
||||
@ -43,7 +42,6 @@ macro_rules! declare_features {
|
||||
name: sym::$feature,
|
||||
since: $ver,
|
||||
issue: to_nonzero($issue),
|
||||
edition: $edition,
|
||||
},
|
||||
// Sets this feature's corresponding bool within `features`.
|
||||
set_enabled: |features| features.$feature = true,
|
||||
@ -102,8 +100,7 @@ macro_rules! declare_features {
|
||||
self.declared_features.contains(&feature)
|
||||
}
|
||||
|
||||
/// Is the given feature active, i.e. declared or automatically
|
||||
/// enabled due to the edition?
|
||||
/// Is the given feature active (enabled by the user)?
|
||||
///
|
||||
/// Panics if the symbol doesn't correspond to a declared feature.
|
||||
pub fn active(&self, feature: Symbol) -> bool {
|
||||
@ -179,58 +176,56 @@ declare_features! (
|
||||
// no-tracking-issue-start
|
||||
|
||||
/// Allows using the `unadjusted` ABI; perma-unstable.
|
||||
(internal, abi_unadjusted, "1.16.0", None, None),
|
||||
(internal, abi_unadjusted, "1.16.0", None),
|
||||
/// Allows using the `vectorcall` ABI.
|
||||
(unstable, abi_vectorcall, "1.7.0", None, None),
|
||||
(unstable, abi_vectorcall, "1.7.0", None),
|
||||
/// Allows using `#![needs_allocator]`, an implementation detail of `#[global_allocator]`.
|
||||
(internal, allocator_internals, "1.20.0", None, None),
|
||||
(internal, allocator_internals, "1.20.0", None),
|
||||
/// Allows using `#[allow_internal_unsafe]`. This is an
|
||||
/// attribute on `macro_rules!` and can't use the attribute handling
|
||||
/// below (it has to be checked before expansion possibly makes
|
||||
/// macros disappear).
|
||||
(internal, allow_internal_unsafe, "1.0.0", None, None),
|
||||
(internal, allow_internal_unsafe, "1.0.0", None),
|
||||
/// Allows using `#[allow_internal_unstable]`. This is an
|
||||
/// attribute on `macro_rules!` and can't use the attribute handling
|
||||
/// below (it has to be checked before expansion possibly makes
|
||||
/// macros disappear).
|
||||
(internal, allow_internal_unstable, "1.0.0", None, None),
|
||||
(internal, allow_internal_unstable, "1.0.0", None),
|
||||
/// Allows using anonymous lifetimes in argument-position impl-trait.
|
||||
(unstable, anonymous_lifetime_in_impl_trait, "1.63.0", None, None),
|
||||
(unstable, anonymous_lifetime_in_impl_trait, "1.63.0", None),
|
||||
/// Allows identifying the `compiler_builtins` crate.
|
||||
(internal, compiler_builtins, "1.13.0", None, None),
|
||||
(internal, compiler_builtins, "1.13.0", None),
|
||||
/// Allows writing custom MIR
|
||||
(internal, custom_mir, "1.65.0", None, None),
|
||||
(internal, custom_mir, "1.65.0", None),
|
||||
/// Outputs useful `assert!` messages
|
||||
(unstable, generic_assert, "1.63.0", None, None),
|
||||
(unstable, generic_assert, "1.63.0", None),
|
||||
/// Allows using the `rust-intrinsic`'s "ABI".
|
||||
(internal, intrinsics, "1.0.0", None, None),
|
||||
(internal, intrinsics, "1.0.0", None),
|
||||
/// Allows using `#[lang = ".."]` attribute for linking items to special compiler logic.
|
||||
(internal, lang_items, "1.0.0", None, None),
|
||||
(internal, lang_items, "1.0.0", None),
|
||||
/// Changes `impl Trait` to capture all lifetimes in scope.
|
||||
(unstable, lifetime_capture_rules_2024, "CURRENT_RUSTC_VERSION", None, None),
|
||||
(unstable, lifetime_capture_rules_2024, "CURRENT_RUSTC_VERSION", None),
|
||||
/// Allows `#[link(..., cfg(..))]`; perma-unstable per #37406
|
||||
(unstable, link_cfg, "1.14.0", None, None),
|
||||
(unstable, link_cfg, "1.14.0", None),
|
||||
/// Allows the `multiple_supertrait_upcastable` lint.
|
||||
(unstable, multiple_supertrait_upcastable, "1.69.0", None, None),
|
||||
(unstable, multiple_supertrait_upcastable, "1.69.0", None),
|
||||
/// Allow negative trait bounds. This is an internal-only feature for testing the trait solver!
|
||||
(incomplete, negative_bounds, "1.71.0", None, None),
|
||||
(incomplete, negative_bounds, "1.71.0", None),
|
||||
/// Allows using `#[omit_gdb_pretty_printer_section]`.
|
||||
(internal, omit_gdb_pretty_printer_section, "1.5.0", None, None),
|
||||
(internal, omit_gdb_pretty_printer_section, "1.5.0", None),
|
||||
/// Allows using `#[prelude_import]` on glob `use` items.
|
||||
(internal, prelude_import, "1.2.0", None, None),
|
||||
(internal, prelude_import, "1.2.0", None),
|
||||
/// Used to identify crates that contain the profiler runtime.
|
||||
(internal, profiler_runtime, "1.18.0", None, None),
|
||||
(internal, profiler_runtime, "1.18.0", None),
|
||||
/// Allows using `rustc_*` attributes (RFC 572).
|
||||
(internal, rustc_attrs, "1.0.0", None, None),
|
||||
(internal, rustc_attrs, "1.0.0", None),
|
||||
/// Allows using the `#[stable]` and `#[unstable]` attributes.
|
||||
(internal, staged_api, "1.0.0", None, None),
|
||||
/// Added for testing E0705; perma-unstable.
|
||||
(internal, test_2018_feature, "1.31.0", None, Some(Edition::Edition2018)),
|
||||
(internal, staged_api, "1.0.0", None),
|
||||
/// Added for testing unstable lints; perma-unstable.
|
||||
(internal, test_unstable_lint, "1.60.0", None, None),
|
||||
(internal, test_unstable_lint, "1.60.0", None),
|
||||
/// Use for stable + negative coherence and strict coherence depending on trait's
|
||||
/// rustc_strict_coherence value.
|
||||
(unstable, with_negative_coherence, "1.60.0", None, None),
|
||||
(unstable, with_negative_coherence, "1.60.0", None),
|
||||
// !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!!
|
||||
// Features are listed in alphabetical order. Tidy will fail if you don't keep it this way.
|
||||
// !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!!
|
||||
@ -246,44 +241,44 @@ declare_features! (
|
||||
|
||||
/// Allows features specific to auto traits.
|
||||
/// Renamed from `optin_builtin_traits`.
|
||||
(unstable, auto_traits, "1.50.0", Some(13231), None),
|
||||
(unstable, auto_traits, "1.50.0", Some(13231)),
|
||||
/// Allows using `box` in patterns (RFC 469).
|
||||
(unstable, box_patterns, "1.0.0", Some(29641), None),
|
||||
(unstable, box_patterns, "1.0.0", Some(29641)),
|
||||
/// Allows `#[doc(notable_trait)]`.
|
||||
/// Renamed from `doc_spotlight`.
|
||||
(unstable, doc_notable_trait, "1.52.0", Some(45040), None),
|
||||
(unstable, doc_notable_trait, "1.52.0", Some(45040)),
|
||||
/// Allows using the `may_dangle` attribute (RFC 1327).
|
||||
(unstable, dropck_eyepatch, "1.10.0", Some(34761), None),
|
||||
(unstable, dropck_eyepatch, "1.10.0", Some(34761)),
|
||||
/// Allows using the `#[fundamental]` attribute.
|
||||
(unstable, fundamental, "1.0.0", Some(29635), None),
|
||||
(unstable, fundamental, "1.0.0", Some(29635)),
|
||||
/// Allows using `#[link_name="llvm.*"]`.
|
||||
(internal, link_llvm_intrinsics, "1.0.0", Some(29602), None),
|
||||
(internal, link_llvm_intrinsics, "1.0.0", Some(29602)),
|
||||
/// Allows using the `#[linkage = ".."]` attribute.
|
||||
(unstable, linkage, "1.0.0", Some(29603), None),
|
||||
(unstable, linkage, "1.0.0", Some(29603)),
|
||||
/// Allows declaring with `#![needs_panic_runtime]` that a panic runtime is needed.
|
||||
(internal, needs_panic_runtime, "1.10.0", Some(32837), None),
|
||||
(internal, needs_panic_runtime, "1.10.0", Some(32837)),
|
||||
/// Allows using the `#![panic_runtime]` attribute.
|
||||
(internal, panic_runtime, "1.10.0", Some(32837), None),
|
||||
(internal, panic_runtime, "1.10.0", Some(32837)),
|
||||
/// Allows `extern "platform-intrinsic" { ... }`.
|
||||
(internal, platform_intrinsics, "1.4.0", Some(27731), None),
|
||||
(internal, platform_intrinsics, "1.4.0", Some(27731)),
|
||||
/// Allows using `#[rustc_allow_const_fn_unstable]`.
|
||||
/// This is an attribute on `const fn` for the same
|
||||
/// purpose as `#[allow_internal_unstable]`.
|
||||
(internal, rustc_allow_const_fn_unstable, "1.49.0", Some(69399), None),
|
||||
(internal, rustc_allow_const_fn_unstable, "1.49.0", Some(69399)),
|
||||
/// Allows using compiler's own crates.
|
||||
(unstable, rustc_private, "1.0.0", Some(27812), None),
|
||||
(unstable, rustc_private, "1.0.0", Some(27812)),
|
||||
/// Allows using internal rustdoc features like `doc(keyword)`.
|
||||
(internal, rustdoc_internals, "1.58.0", Some(90418), None),
|
||||
(internal, rustdoc_internals, "1.58.0", Some(90418)),
|
||||
/// Allows using the `rustdoc::missing_doc_code_examples` lint
|
||||
(unstable, rustdoc_missing_doc_code_examples, "1.31.0", Some(101730), None),
|
||||
(unstable, rustdoc_missing_doc_code_examples, "1.31.0", Some(101730)),
|
||||
/// Allows using `#[start]` on a function indicating that it is the program entrypoint.
|
||||
(unstable, start, "1.0.0", Some(29633), None),
|
||||
(unstable, start, "1.0.0", Some(29633)),
|
||||
/// Allows using `#[structural_match]` which indicates that a type is structurally matchable.
|
||||
/// FIXME: Subsumed by trait `StructuralPartialEq`, cannot move to removed until a library
|
||||
/// feature with the same name exists.
|
||||
(unstable, structural_match, "1.8.0", Some(31434), None),
|
||||
(unstable, structural_match, "1.8.0", Some(31434)),
|
||||
/// Allows using the `rust-call` ABI.
|
||||
(unstable, unboxed_closures, "1.0.0", Some(29625), None),
|
||||
(unstable, unboxed_closures, "1.0.0", Some(29625)),
|
||||
// !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!!
|
||||
// Features are listed in alphabetical order. Tidy will fail if you don't keep it this way.
|
||||
// !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!!
|
||||
@ -299,21 +294,21 @@ declare_features! (
|
||||
// FIXME: Document these and merge with the list below.
|
||||
|
||||
// Unstable `#[target_feature]` directives.
|
||||
(unstable, aarch64_ver_target_feature, "1.27.0", Some(44839), None),
|
||||
(unstable, arm_target_feature, "1.27.0", Some(44839), None),
|
||||
(unstable, avx512_target_feature, "1.27.0", Some(44839), None),
|
||||
(unstable, bpf_target_feature, "1.54.0", Some(44839), None),
|
||||
(unstable, csky_target_feature, "1.73.0", Some(44839), None),
|
||||
(unstable, ermsb_target_feature, "1.49.0", Some(44839), None),
|
||||
(unstable, hexagon_target_feature, "1.27.0", Some(44839), None),
|
||||
(unstable, loongarch_target_feature, "1.73.0", Some(44839), None),
|
||||
(unstable, mips_target_feature, "1.27.0", Some(44839), None),
|
||||
(unstable, powerpc_target_feature, "1.27.0", Some(44839), None),
|
||||
(unstable, riscv_target_feature, "1.45.0", Some(44839), None),
|
||||
(unstable, rtm_target_feature, "1.35.0", Some(44839), None),
|
||||
(unstable, sse4a_target_feature, "1.27.0", Some(44839), None),
|
||||
(unstable, tbm_target_feature, "1.27.0", Some(44839), None),
|
||||
(unstable, wasm_target_feature, "1.30.0", Some(44839), None),
|
||||
(unstable, aarch64_ver_target_feature, "1.27.0", Some(44839)),
|
||||
(unstable, arm_target_feature, "1.27.0", Some(44839)),
|
||||
(unstable, avx512_target_feature, "1.27.0", Some(44839)),
|
||||
(unstable, bpf_target_feature, "1.54.0", Some(44839)),
|
||||
(unstable, csky_target_feature, "1.73.0", Some(44839)),
|
||||
(unstable, ermsb_target_feature, "1.49.0", Some(44839)),
|
||||
(unstable, hexagon_target_feature, "1.27.0", Some(44839)),
|
||||
(unstable, loongarch_target_feature, "1.73.0", Some(44839)),
|
||||
(unstable, mips_target_feature, "1.27.0", Some(44839)),
|
||||
(unstable, powerpc_target_feature, "1.27.0", Some(44839)),
|
||||
(unstable, riscv_target_feature, "1.45.0", Some(44839)),
|
||||
(unstable, rtm_target_feature, "1.35.0", Some(44839)),
|
||||
(unstable, sse4a_target_feature, "1.27.0", Some(44839)),
|
||||
(unstable, tbm_target_feature, "1.27.0", Some(44839)),
|
||||
(unstable, wasm_target_feature, "1.30.0", Some(44839)),
|
||||
// !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!!
|
||||
// Features are listed in alphabetical order. Tidy will fail if you don't keep it this way.
|
||||
// !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!!
|
||||
@ -327,295 +322,295 @@ declare_features! (
|
||||
// -------------------------------------------------------------------------
|
||||
|
||||
/// Allows using the `amdgpu-kernel` ABI.
|
||||
(unstable, abi_amdgpu_kernel, "1.29.0", Some(51575), None),
|
||||
(unstable, abi_amdgpu_kernel, "1.29.0", Some(51575)),
|
||||
/// Allows `extern "avr-interrupt" fn()` and `extern "avr-non-blocking-interrupt" fn()`.
|
||||
(unstable, abi_avr_interrupt, "1.45.0", Some(69664), None),
|
||||
(unstable, abi_avr_interrupt, "1.45.0", Some(69664)),
|
||||
/// Allows `extern "C-cmse-nonsecure-call" fn()`.
|
||||
(unstable, abi_c_cmse_nonsecure_call, "1.51.0", Some(81391), None),
|
||||
(unstable, abi_c_cmse_nonsecure_call, "1.51.0", Some(81391)),
|
||||
/// Allows `extern "msp430-interrupt" fn()`.
|
||||
(unstable, abi_msp430_interrupt, "1.16.0", Some(38487), None),
|
||||
(unstable, abi_msp430_interrupt, "1.16.0", Some(38487)),
|
||||
/// Allows `extern "ptx-*" fn()`.
|
||||
(unstable, abi_ptx, "1.15.0", Some(38788), None),
|
||||
(unstable, abi_ptx, "1.15.0", Some(38788)),
|
||||
/// Allows `extern "riscv-interrupt-m" fn()` and `extern "riscv-interrupt-s" fn()`.
|
||||
(unstable, abi_riscv_interrupt, "1.73.0", Some(111889), None),
|
||||
(unstable, abi_riscv_interrupt, "1.73.0", Some(111889)),
|
||||
/// Allows `extern "x86-interrupt" fn()`.
|
||||
(unstable, abi_x86_interrupt, "1.17.0", Some(40180), None),
|
||||
(unstable, abi_x86_interrupt, "1.17.0", Some(40180)),
|
||||
/// Allows additional const parameter types, such as `&'static str` or user defined types
|
||||
(incomplete, adt_const_params, "1.56.0", Some(95174), None),
|
||||
(incomplete, adt_const_params, "1.56.0", Some(95174)),
|
||||
/// Allows defining an `#[alloc_error_handler]`.
|
||||
(unstable, alloc_error_handler, "1.29.0", Some(51540), None),
|
||||
(unstable, alloc_error_handler, "1.29.0", Some(51540)),
|
||||
/// Allows trait methods with arbitrary self types.
|
||||
(unstable, arbitrary_self_types, "1.23.0", Some(44874), None),
|
||||
(unstable, arbitrary_self_types, "1.23.0", Some(44874)),
|
||||
/// Allows using `const` operands in inline assembly.
|
||||
(unstable, asm_const, "1.58.0", Some(93332), None),
|
||||
(unstable, asm_const, "1.58.0", Some(93332)),
|
||||
/// Enables experimental inline assembly support for additional architectures.
|
||||
(unstable, asm_experimental_arch, "1.58.0", Some(93335), None),
|
||||
(unstable, asm_experimental_arch, "1.58.0", Some(93335)),
|
||||
/// Allows the `may_unwind` option in inline assembly.
|
||||
(unstable, asm_unwind, "1.58.0", Some(93334), None),
|
||||
(unstable, asm_unwind, "1.58.0", Some(93334)),
|
||||
/// Allows users to enforce equality of associated constants `TraitImpl<AssocConst=3>`.
|
||||
(unstable, associated_const_equality, "1.58.0", Some(92827), None),
|
||||
(unstable, associated_const_equality, "1.58.0", Some(92827)),
|
||||
/// Allows the user of associated type bounds.
|
||||
(unstable, associated_type_bounds, "1.34.0", Some(52662), None),
|
||||
(unstable, associated_type_bounds, "1.34.0", Some(52662)),
|
||||
/// Allows associated type defaults.
|
||||
(unstable, associated_type_defaults, "1.2.0", Some(29661), None),
|
||||
(unstable, associated_type_defaults, "1.2.0", Some(29661)),
|
||||
/// Allows `async || body` closures.
|
||||
(unstable, async_closure, "1.37.0", Some(62290), None),
|
||||
(unstable, async_closure, "1.37.0", Some(62290)),
|
||||
/// Allows `#[track_caller]` on async functions.
|
||||
(unstable, async_fn_track_caller, "1.73.0", Some(110011), None),
|
||||
(unstable, async_fn_track_caller, "1.73.0", Some(110011)),
|
||||
/// Allows builtin # foo() syntax
|
||||
(unstable, builtin_syntax, "1.71.0", Some(110680), None),
|
||||
(unstable, builtin_syntax, "1.71.0", Some(110680)),
|
||||
/// Treat `extern "C"` function as nounwind.
|
||||
(unstable, c_unwind, "1.52.0", Some(74990), None),
|
||||
(unstable, c_unwind, "1.52.0", Some(74990)),
|
||||
/// Allows using C-variadics.
|
||||
(unstable, c_variadic, "1.34.0", Some(44930), None),
|
||||
(unstable, c_variadic, "1.34.0", Some(44930)),
|
||||
/// Allows the use of `#[cfg(overflow_checks)` to check if integer overflow behaviour.
|
||||
(unstable, cfg_overflow_checks, "1.71.0", Some(111466), None),
|
||||
(unstable, cfg_overflow_checks, "1.71.0", Some(111466)),
|
||||
/// Provides the relocation model information as cfg entry
|
||||
(unstable, cfg_relocation_model, "1.73.0", Some(114929), None),
|
||||
(unstable, cfg_relocation_model, "1.73.0", Some(114929)),
|
||||
/// Allows the use of `#[cfg(sanitize = "option")]`; set when -Zsanitizer is used.
|
||||
(unstable, cfg_sanitize, "1.41.0", Some(39699), None),
|
||||
(unstable, cfg_sanitize, "1.41.0", Some(39699)),
|
||||
/// Allows `cfg(target_abi = "...")`.
|
||||
(unstable, cfg_target_abi, "1.55.0", Some(80970), None),
|
||||
(unstable, cfg_target_abi, "1.55.0", Some(80970)),
|
||||
/// Allows `cfg(target(abi = "..."))`.
|
||||
(unstable, cfg_target_compact, "1.63.0", Some(96901), None),
|
||||
(unstable, cfg_target_compact, "1.63.0", Some(96901)),
|
||||
/// Allows `cfg(target_has_atomic_load_store = "...")`.
|
||||
(unstable, cfg_target_has_atomic, "1.60.0", Some(94039), None),
|
||||
(unstable, cfg_target_has_atomic, "1.60.0", Some(94039)),
|
||||
/// Allows `cfg(target_has_atomic_equal_alignment = "...")`.
|
||||
(unstable, cfg_target_has_atomic_equal_alignment, "1.60.0", Some(93822), None),
|
||||
(unstable, cfg_target_has_atomic_equal_alignment, "1.60.0", Some(93822)),
|
||||
/// Allows `cfg(target_thread_local)`.
|
||||
(unstable, cfg_target_thread_local, "1.7.0", Some(29594), None),
|
||||
(unstable, cfg_target_thread_local, "1.7.0", Some(29594)),
|
||||
/// Allow conditional compilation depending on rust version
|
||||
(unstable, cfg_version, "1.45.0", Some(64796), None),
|
||||
(unstable, cfg_version, "1.45.0", Some(64796)),
|
||||
/// Allows to use the `#[cfi_encoding = ""]` attribute.
|
||||
(unstable, cfi_encoding, "1.71.0", Some(89653), None),
|
||||
(unstable, cfi_encoding, "1.71.0", Some(89653)),
|
||||
/// Allows `for<...>` on closures and coroutines.
|
||||
(unstable, closure_lifetime_binder, "1.64.0", Some(97362), None),
|
||||
(unstable, closure_lifetime_binder, "1.64.0", Some(97362)),
|
||||
/// Allows `#[track_caller]` on closures and coroutines.
|
||||
(unstable, closure_track_caller, "1.57.0", Some(87417), None),
|
||||
(unstable, closure_track_caller, "1.57.0", Some(87417)),
|
||||
/// Allows to use the `#[cmse_nonsecure_entry]` attribute.
|
||||
(unstable, cmse_nonsecure_entry, "1.48.0", Some(75835), None),
|
||||
(unstable, cmse_nonsecure_entry, "1.48.0", Some(75835)),
|
||||
/// Allows use of the `#[collapse_debuginfo]` attribute.
|
||||
(unstable, collapse_debuginfo, "1.65.0", Some(100758), None),
|
||||
(unstable, collapse_debuginfo, "1.65.0", Some(100758)),
|
||||
/// Allows `async {}` expressions in const contexts.
|
||||
(unstable, const_async_blocks, "1.53.0", Some(85368), None),
|
||||
(unstable, const_async_blocks, "1.53.0", Some(85368)),
|
||||
/// Allows `const || {}` closures in const contexts.
|
||||
(incomplete, const_closures, "1.68.0", Some(106003), None),
|
||||
(incomplete, const_closures, "1.68.0", Some(106003)),
|
||||
/// Allows the definition of `const extern fn` and `const unsafe extern fn`.
|
||||
(unstable, const_extern_fn, "1.40.0", Some(64926), None),
|
||||
(unstable, const_extern_fn, "1.40.0", Some(64926)),
|
||||
/// Allows basic arithmetic on floating point types in a `const fn`.
|
||||
(unstable, const_fn_floating_point_arithmetic, "1.48.0", Some(57241), None),
|
||||
(unstable, const_fn_floating_point_arithmetic, "1.48.0", Some(57241)),
|
||||
/// Allows `for _ in _` loops in const contexts.
|
||||
(unstable, const_for, "1.56.0", Some(87575), None),
|
||||
(unstable, const_for, "1.56.0", Some(87575)),
|
||||
/// Allows using `&mut` in constant functions.
|
||||
(unstable, const_mut_refs, "1.41.0", Some(57349), None),
|
||||
(unstable, const_mut_refs, "1.41.0", Some(57349)),
|
||||
/// Be more precise when looking for live drops in a const context.
|
||||
(unstable, const_precise_live_drops, "1.46.0", Some(73255), None),
|
||||
(unstable, const_precise_live_drops, "1.46.0", Some(73255)),
|
||||
/// Allows references to types with interior mutability within constants
|
||||
(unstable, const_refs_to_cell, "1.51.0", Some(80384), None),
|
||||
(unstable, const_refs_to_cell, "1.51.0", Some(80384)),
|
||||
/// Allows `impl const Trait for T` syntax.
|
||||
(unstable, const_trait_impl, "1.42.0", Some(67792), None),
|
||||
(unstable, const_trait_impl, "1.42.0", Some(67792)),
|
||||
/// Allows the `?` operator in const contexts.
|
||||
(unstable, const_try, "1.56.0", Some(74935), None),
|
||||
(unstable, const_try, "1.56.0", Some(74935)),
|
||||
/// Allows coroutines to be cloned.
|
||||
(unstable, coroutine_clone, "1.65.0", Some(95360), None),
|
||||
(unstable, coroutine_clone, "1.65.0", Some(95360)),
|
||||
/// Allows defining coroutines.
|
||||
(unstable, coroutines, "1.21.0", Some(43122), None),
|
||||
(unstable, coroutines, "1.21.0", Some(43122)),
|
||||
/// Allows function attribute `#[coverage(on/off)]`, to control coverage
|
||||
/// instrumentation of that function.
|
||||
(unstable, coverage_attribute, "1.74.0", Some(84605), None),
|
||||
(unstable, coverage_attribute, "1.74.0", Some(84605)),
|
||||
/// Allows users to provide classes for fenced code block using `class:classname`.
|
||||
(unstable, custom_code_classes_in_docs, "1.74.0", Some(79483), None),
|
||||
(unstable, custom_code_classes_in_docs, "1.74.0", Some(79483)),
|
||||
/// Allows non-builtin attributes in inner attribute position.
|
||||
(unstable, custom_inner_attributes, "1.30.0", Some(54726), None),
|
||||
(unstable, custom_inner_attributes, "1.30.0", Some(54726)),
|
||||
/// Allows custom test frameworks with `#![test_runner]` and `#[test_case]`.
|
||||
(unstable, custom_test_frameworks, "1.30.0", Some(50297), None),
|
||||
(unstable, custom_test_frameworks, "1.30.0", Some(50297)),
|
||||
/// Allows declarative macros 2.0 (`macro`).
|
||||
(unstable, decl_macro, "1.17.0", Some(39412), None),
|
||||
(unstable, decl_macro, "1.17.0", Some(39412)),
|
||||
/// Allows default type parameters to influence type inference.
|
||||
(unstable, default_type_parameter_fallback, "1.3.0", Some(27336), None),
|
||||
(unstable, default_type_parameter_fallback, "1.3.0", Some(27336)),
|
||||
/// Allows using `#[deprecated_safe]` to deprecate the safeness of a function or trait
|
||||
(unstable, deprecated_safe, "1.61.0", Some(94978), None),
|
||||
(unstable, deprecated_safe, "1.61.0", Some(94978)),
|
||||
/// Allows having using `suggestion` in the `#[deprecated]` attribute.
|
||||
(unstable, deprecated_suggestion, "1.61.0", Some(94785), None),
|
||||
(unstable, deprecated_suggestion, "1.61.0", Some(94785)),
|
||||
/// Allows using the `#[diagnostic]` attribute tool namespace
|
||||
(unstable, diagnostic_namespace, "1.73.0", Some(111996), None),
|
||||
(unstable, diagnostic_namespace, "1.73.0", Some(111996)),
|
||||
/// Controls errors in trait implementations.
|
||||
(unstable, do_not_recommend, "1.67.0", Some(51992), None),
|
||||
(unstable, do_not_recommend, "1.67.0", Some(51992)),
|
||||
/// Tells rustdoc to automatically generate `#[doc(cfg(...))]`.
|
||||
(unstable, doc_auto_cfg, "1.58.0", Some(43781), None),
|
||||
(unstable, doc_auto_cfg, "1.58.0", Some(43781)),
|
||||
/// Allows `#[doc(cfg(...))]`.
|
||||
(unstable, doc_cfg, "1.21.0", Some(43781), None),
|
||||
(unstable, doc_cfg, "1.21.0", Some(43781)),
|
||||
/// Allows `#[doc(cfg_hide(...))]`.
|
||||
(unstable, doc_cfg_hide, "1.57.0", Some(43781), None),
|
||||
(unstable, doc_cfg_hide, "1.57.0", Some(43781)),
|
||||
/// Allows `#[doc(masked)]`.
|
||||
(unstable, doc_masked, "1.21.0", Some(44027), None),
|
||||
(unstable, doc_masked, "1.21.0", Some(44027)),
|
||||
/// Allows `dyn* Trait` objects.
|
||||
(incomplete, dyn_star, "1.65.0", Some(102425), None),
|
||||
(incomplete, dyn_star, "1.65.0", Some(102425)),
|
||||
// Uses generic effect parameters for ~const bounds
|
||||
(unstable, effects, "1.72.0", Some(102090), None),
|
||||
(unstable, effects, "1.72.0", Some(102090)),
|
||||
/// Allows `X..Y` patterns.
|
||||
(unstable, exclusive_range_pattern, "1.11.0", Some(37854), None),
|
||||
(unstable, exclusive_range_pattern, "1.11.0", Some(37854)),
|
||||
/// Allows exhaustive pattern matching on types that contain uninhabited types.
|
||||
(unstable, exhaustive_patterns, "1.13.0", Some(51085), None),
|
||||
(unstable, exhaustive_patterns, "1.13.0", Some(51085)),
|
||||
/// Allows explicit tail calls via `become` expression.
|
||||
(incomplete, explicit_tail_calls, "1.72.0", Some(112788), None),
|
||||
(incomplete, explicit_tail_calls, "1.72.0", Some(112788)),
|
||||
/// Allows using `efiapi`, `sysv64` and `win64` as calling convention
|
||||
/// for functions with varargs.
|
||||
(unstable, extended_varargs_abi_support, "1.65.0", Some(100189), None),
|
||||
(unstable, extended_varargs_abi_support, "1.65.0", Some(100189)),
|
||||
/// Allows defining `extern type`s.
|
||||
(unstable, extern_types, "1.23.0", Some(43467), None),
|
||||
(unstable, extern_types, "1.23.0", Some(43467)),
|
||||
/// Allows the use of `#[ffi_const]` on foreign functions.
|
||||
(unstable, ffi_const, "1.45.0", Some(58328), None),
|
||||
(unstable, ffi_const, "1.45.0", Some(58328)),
|
||||
/// Allows the use of `#[ffi_pure]` on foreign functions.
|
||||
(unstable, ffi_pure, "1.45.0", Some(58329), None),
|
||||
(unstable, ffi_pure, "1.45.0", Some(58329)),
|
||||
/// Allows using `#[ffi_returns_twice]` on foreign functions.
|
||||
(unstable, ffi_returns_twice, "1.34.0", Some(58314), None),
|
||||
(unstable, ffi_returns_twice, "1.34.0", Some(58314)),
|
||||
/// Allows using `#[repr(align(...))]` on function items
|
||||
(unstable, fn_align, "1.53.0", Some(82232), None),
|
||||
(unstable, fn_align, "1.53.0", Some(82232)),
|
||||
/// Support delegating implementation of functions to other already implemented functions.
|
||||
(incomplete, fn_delegation, "CURRENT_RUSTC_VERSION", Some(118212), None),
|
||||
(incomplete, fn_delegation, "CURRENT_RUSTC_VERSION", Some(118212)),
|
||||
/// Allows defining gen blocks and `gen fn`.
|
||||
(unstable, gen_blocks, "1.75.0", Some(117078), None),
|
||||
(unstable, gen_blocks, "1.75.0", Some(117078)),
|
||||
/// Infer generic args for both consts and types.
|
||||
(unstable, generic_arg_infer, "1.55.0", Some(85077), None),
|
||||
(unstable, generic_arg_infer, "1.55.0", Some(85077)),
|
||||
/// An extension to the `generic_associated_types` feature, allowing incomplete features.
|
||||
(incomplete, generic_associated_types_extended, "1.61.0", Some(95451), None),
|
||||
(incomplete, generic_associated_types_extended, "1.61.0", Some(95451)),
|
||||
/// Allows non-trivial generic constants which have to have wfness manually propagated to callers
|
||||
(incomplete, generic_const_exprs, "1.56.0", Some(76560), None),
|
||||
(incomplete, generic_const_exprs, "1.56.0", Some(76560)),
|
||||
/// Allows generic parameters and where-clauses on free & associated const items.
|
||||
(incomplete, generic_const_items, "1.73.0", Some(113521), None),
|
||||
(incomplete, generic_const_items, "1.73.0", Some(113521)),
|
||||
/// Allows using `..=X` as a patterns in slices.
|
||||
(unstable, half_open_range_patterns_in_slices, "1.66.0", Some(67264), None),
|
||||
(unstable, half_open_range_patterns_in_slices, "1.66.0", Some(67264)),
|
||||
/// Allows `if let` guard in match arms.
|
||||
(unstable, if_let_guard, "1.47.0", Some(51114), None),
|
||||
(unstable, if_let_guard, "1.47.0", Some(51114)),
|
||||
/// Allows `impl Trait` to be used inside associated types (RFC 2515).
|
||||
(unstable, impl_trait_in_assoc_type, "1.70.0", Some(63063), None),
|
||||
(unstable, impl_trait_in_assoc_type, "1.70.0", Some(63063)),
|
||||
/// Allows `impl Trait` as output type in `Fn` traits in return position of functions.
|
||||
(unstable, impl_trait_in_fn_trait_return, "1.64.0", Some(99697), None),
|
||||
(unstable, impl_trait_in_fn_trait_return, "1.64.0", Some(99697)),
|
||||
/// Allows using imported `main` function
|
||||
(unstable, imported_main, "1.53.0", Some(28937), None),
|
||||
(unstable, imported_main, "1.53.0", Some(28937)),
|
||||
/// Allows associated types in inherent impls.
|
||||
(incomplete, inherent_associated_types, "1.52.0", Some(8995), None),
|
||||
(incomplete, inherent_associated_types, "1.52.0", Some(8995)),
|
||||
/// Allow anonymous constants from an inline `const` block
|
||||
(unstable, inline_const, "1.49.0", Some(76001), None),
|
||||
(unstable, inline_const, "1.49.0", Some(76001)),
|
||||
/// Allow anonymous constants from an inline `const` block in pattern position
|
||||
(incomplete, inline_const_pat, "1.58.0", Some(76001), None),
|
||||
(incomplete, inline_const_pat, "1.58.0", Some(76001)),
|
||||
/// Allows using `pointer` and `reference` in intra-doc links
|
||||
(unstable, intra_doc_pointers, "1.51.0", Some(80896), None),
|
||||
(unstable, intra_doc_pointers, "1.51.0", Some(80896)),
|
||||
// Allows setting the threshold for the `large_assignments` lint.
|
||||
(unstable, large_assignments, "1.52.0", Some(83518), None),
|
||||
(unstable, large_assignments, "1.52.0", Some(83518)),
|
||||
/// Allow to have type alias types for inter-crate use.
|
||||
(incomplete, lazy_type_alias, "1.72.0", Some(112792), None),
|
||||
(incomplete, lazy_type_alias, "1.72.0", Some(112792)),
|
||||
/// Allows `if/while p && let q = r && ...` chains.
|
||||
(unstable, let_chains, "1.37.0", Some(53667), None),
|
||||
(unstable, let_chains, "1.37.0", Some(53667)),
|
||||
/// Allows using `#[link(kind = "link-arg", name = "...")]`
|
||||
/// to pass custom arguments to the linker.
|
||||
(unstable, link_arg_attribute, "CURRENT_RUSTC_VERSION", Some(99427), None),
|
||||
(unstable, link_arg_attribute, "CURRENT_RUSTC_VERSION", Some(99427)),
|
||||
/// Allows using `reason` in lint attributes and the `#[expect(lint)]` lint check.
|
||||
(unstable, lint_reasons, "1.31.0", Some(54503), None),
|
||||
(unstable, lint_reasons, "1.31.0", Some(54503)),
|
||||
/// Give access to additional metadata about declarative macro meta-variables.
|
||||
(unstable, macro_metavar_expr, "1.61.0", Some(83527), None),
|
||||
(unstable, macro_metavar_expr, "1.61.0", Some(83527)),
|
||||
/// Allows `#[marker]` on certain traits allowing overlapping implementations.
|
||||
(unstable, marker_trait_attr, "1.30.0", Some(29864), None),
|
||||
(unstable, marker_trait_attr, "1.30.0", Some(29864)),
|
||||
/// A minimal, sound subset of specialization intended to be used by the
|
||||
/// standard library until the soundness issues with specialization
|
||||
/// are fixed.
|
||||
(unstable, min_specialization, "1.7.0", Some(31844), None),
|
||||
(unstable, min_specialization, "1.7.0", Some(31844)),
|
||||
/// Allows qualified paths in struct expressions, struct patterns and tuple struct patterns.
|
||||
(unstable, more_qualified_paths, "1.54.0", Some(86935), None),
|
||||
(unstable, more_qualified_paths, "1.54.0", Some(86935)),
|
||||
/// Allows the `#[must_not_suspend]` attribute.
|
||||
(unstable, must_not_suspend, "1.57.0", Some(83310), None),
|
||||
(unstable, must_not_suspend, "1.57.0", Some(83310)),
|
||||
/// Allows using `#[naked]` on functions.
|
||||
(unstable, naked_functions, "1.9.0", Some(32408), None),
|
||||
(unstable, naked_functions, "1.9.0", Some(32408)),
|
||||
/// Allows specifying the as-needed link modifier
|
||||
(unstable, native_link_modifiers_as_needed, "1.53.0", Some(81490), None),
|
||||
(unstable, native_link_modifiers_as_needed, "1.53.0", Some(81490)),
|
||||
/// Allow negative trait implementations.
|
||||
(unstable, negative_impls, "1.44.0", Some(68318), None),
|
||||
(unstable, negative_impls, "1.44.0", Some(68318)),
|
||||
/// Allows the `!` pattern.
|
||||
(incomplete, never_patterns, "CURRENT_RUSTC_VERSION", Some(118155), None),
|
||||
(incomplete, never_patterns, "CURRENT_RUSTC_VERSION", Some(118155)),
|
||||
/// Allows the `!` type. Does not imply 'exhaustive_patterns' (below) any more.
|
||||
(unstable, never_type, "1.13.0", Some(35121), None),
|
||||
(unstable, never_type, "1.13.0", Some(35121)),
|
||||
/// Allows diverging expressions to fall back to `!` rather than `()`.
|
||||
(unstable, never_type_fallback, "1.41.0", Some(65992), None),
|
||||
(unstable, never_type_fallback, "1.41.0", Some(65992)),
|
||||
/// Allows `#![no_core]`.
|
||||
(unstable, no_core, "1.3.0", Some(29639), None),
|
||||
(unstable, no_core, "1.3.0", Some(29639)),
|
||||
/// Allows the use of `no_sanitize` attribute.
|
||||
(unstable, no_sanitize, "1.42.0", Some(39699), None),
|
||||
(unstable, no_sanitize, "1.42.0", Some(39699)),
|
||||
/// Allows using the `non_exhaustive_omitted_patterns` lint.
|
||||
(unstable, non_exhaustive_omitted_patterns_lint, "1.57.0", Some(89554), None),
|
||||
(unstable, non_exhaustive_omitted_patterns_lint, "1.57.0", Some(89554)),
|
||||
/// Allows `for<T>` binders in where-clauses
|
||||
(incomplete, non_lifetime_binders, "1.69.0", Some(108185), None),
|
||||
(incomplete, non_lifetime_binders, "1.69.0", Some(108185)),
|
||||
/// Allows making `dyn Trait` well-formed even if `Trait` is not object safe.
|
||||
/// In that case, `dyn Trait: Trait` does not hold. Moreover, coercions and
|
||||
/// casts in safe Rust to `dyn Trait` for such a `Trait` is also forbidden.
|
||||
(unstable, object_safe_for_dispatch, "1.40.0", Some(43561), None),
|
||||
(unstable, object_safe_for_dispatch, "1.40.0", Some(43561)),
|
||||
/// Allows using enums in offset_of!
|
||||
(unstable, offset_of_enum, "1.75.0", Some(106655), None),
|
||||
(unstable, offset_of_enum, "1.75.0", Some(106655)),
|
||||
/// Allows using `#[optimize(X)]`.
|
||||
(unstable, optimize_attribute, "1.34.0", Some(54882), None),
|
||||
(unstable, optimize_attribute, "1.34.0", Some(54882)),
|
||||
/// Allows macro attributes on expressions, statements and non-inline modules.
|
||||
(unstable, proc_macro_hygiene, "1.30.0", Some(54727), None),
|
||||
(unstable, proc_macro_hygiene, "1.30.0", Some(54727)),
|
||||
/// Allows `&raw const $place_expr` and `&raw mut $place_expr` expressions.
|
||||
(unstable, raw_ref_op, "1.41.0", Some(64490), None),
|
||||
(unstable, raw_ref_op, "1.41.0", Some(64490)),
|
||||
/// Allows using the `#[register_tool]` attribute.
|
||||
(unstable, register_tool, "1.41.0", Some(66079), None),
|
||||
(unstable, register_tool, "1.41.0", Some(66079)),
|
||||
/// Allows the `#[repr(i128)]` attribute for enums.
|
||||
(incomplete, repr128, "1.16.0", Some(56071), None),
|
||||
(incomplete, repr128, "1.16.0", Some(56071)),
|
||||
/// Allows `repr(simd)` and importing the various simd intrinsics.
|
||||
(unstable, repr_simd, "1.4.0", Some(27731), None),
|
||||
(unstable, repr_simd, "1.4.0", Some(27731)),
|
||||
/// Allows bounding the return type of AFIT/RPITIT.
|
||||
(incomplete, return_type_notation, "1.70.0", Some(109417), None),
|
||||
(incomplete, return_type_notation, "1.70.0", Some(109417)),
|
||||
/// Allows `extern "rust-cold"`.
|
||||
(unstable, rust_cold_cc, "1.63.0", Some(97544), None),
|
||||
(unstable, rust_cold_cc, "1.63.0", Some(97544)),
|
||||
/// Allows the use of SIMD types in functions declared in `extern` blocks.
|
||||
(unstable, simd_ffi, "1.0.0", Some(27731), None),
|
||||
(unstable, simd_ffi, "1.0.0", Some(27731)),
|
||||
/// Allows specialization of implementations (RFC 1210).
|
||||
(incomplete, specialization, "1.7.0", Some(31844), None),
|
||||
(incomplete, specialization, "1.7.0", Some(31844)),
|
||||
/// Allows attributes on expressions and non-item statements.
|
||||
(unstable, stmt_expr_attributes, "1.6.0", Some(15701), None),
|
||||
(unstable, stmt_expr_attributes, "1.6.0", Some(15701)),
|
||||
/// Allows lints part of the strict provenance effort.
|
||||
(unstable, strict_provenance, "1.61.0", Some(95228), None),
|
||||
(unstable, strict_provenance, "1.61.0", Some(95228)),
|
||||
/// Allows string patterns to dereference values to match them.
|
||||
(unstable, string_deref_patterns, "1.67.0", Some(87121), None),
|
||||
(unstable, string_deref_patterns, "1.67.0", Some(87121)),
|
||||
/// Allows the use of `#[target_feature]` on safe functions.
|
||||
(unstable, target_feature_11, "1.45.0", Some(69098), None),
|
||||
(unstable, target_feature_11, "1.45.0", Some(69098)),
|
||||
/// Allows using `#[thread_local]` on `static` items.
|
||||
(unstable, thread_local, "1.0.0", Some(29594), None),
|
||||
(unstable, thread_local, "1.0.0", Some(29594)),
|
||||
/// Allows defining `trait X = A + B;` alias items.
|
||||
(unstable, trait_alias, "1.24.0", Some(41517), None),
|
||||
(unstable, trait_alias, "1.24.0", Some(41517)),
|
||||
/// Allows for transmuting between arrays with sizes that contain generic consts.
|
||||
(unstable, transmute_generic_consts, "1.70.0", Some(109929), None),
|
||||
(unstable, transmute_generic_consts, "1.70.0", Some(109929)),
|
||||
/// Allows #[repr(transparent)] on unions (RFC 2645).
|
||||
(unstable, transparent_unions, "1.37.0", Some(60405), None),
|
||||
(unstable, transparent_unions, "1.37.0", Some(60405)),
|
||||
/// Allows inconsistent bounds in where clauses.
|
||||
(unstable, trivial_bounds, "1.28.0", Some(48214), None),
|
||||
(unstable, trivial_bounds, "1.28.0", Some(48214)),
|
||||
/// Allows using `try {...}` expressions.
|
||||
(unstable, try_blocks, "1.29.0", Some(31436), None),
|
||||
(unstable, try_blocks, "1.29.0", Some(31436)),
|
||||
/// Allows `impl Trait` to be used inside type aliases (RFC 2515).
|
||||
(unstable, type_alias_impl_trait, "1.38.0", Some(63063), None),
|
||||
(unstable, type_alias_impl_trait, "1.38.0", Some(63063)),
|
||||
/// Allows the use of type ascription in expressions.
|
||||
(unstable, type_ascription, "1.6.0", Some(23416), None),
|
||||
(unstable, type_ascription, "1.6.0", Some(23416)),
|
||||
/// Allows creation of instances of a struct by moving fields that have
|
||||
/// not changed from prior instances of the same struct (RFC #2528)
|
||||
(unstable, type_changing_struct_update, "1.58.0", Some(86555), None),
|
||||
(unstable, type_changing_struct_update, "1.58.0", Some(86555)),
|
||||
/// Allows using type privacy lints (`private_interfaces`, `private_bounds`, `unnameable_types`).
|
||||
(unstable, type_privacy_lints, "1.72.0", Some(48054), None),
|
||||
(unstable, type_privacy_lints, "1.72.0", Some(48054)),
|
||||
/// Enables rustc to generate code that instructs libstd to NOT ignore SIGPIPE.
|
||||
(unstable, unix_sigpipe, "1.65.0", Some(97889), None),
|
||||
(unstable, unix_sigpipe, "1.65.0", Some(97889)),
|
||||
/// Allows unnamed fields of struct and union type
|
||||
(incomplete, unnamed_fields, "1.74.0", Some(49804), None),
|
||||
(incomplete, unnamed_fields, "1.74.0", Some(49804)),
|
||||
/// Allows unsized fn parameters.
|
||||
(unstable, unsized_fn_params, "1.49.0", Some(48055), None),
|
||||
(unstable, unsized_fn_params, "1.49.0", Some(48055)),
|
||||
/// Allows unsized rvalues at arguments and parameters.
|
||||
(incomplete, unsized_locals, "1.30.0", Some(48055), None),
|
||||
(incomplete, unsized_locals, "1.30.0", Some(48055)),
|
||||
/// Allows unsized tuple coercion.
|
||||
(unstable, unsized_tuple_coercion, "1.20.0", Some(42877), None),
|
||||
(unstable, unsized_tuple_coercion, "1.20.0", Some(42877)),
|
||||
/// Allows using the `#[used(linker)]` (or `#[used(compiler)]`) attribute.
|
||||
(unstable, used_with_arg, "1.60.0", Some(93798), None),
|
||||
(unstable, used_with_arg, "1.60.0", Some(93798)),
|
||||
/// Allows `extern "wasm" fn`
|
||||
(unstable, wasm_abi, "1.53.0", Some(83788), None),
|
||||
(unstable, wasm_abi, "1.53.0", Some(83788)),
|
||||
/// Allows `do yeet` expressions
|
||||
(unstable, yeet_expr, "1.62.0", Some(96373), None),
|
||||
(unstable, yeet_expr, "1.62.0", Some(96373)),
|
||||
// !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!!
|
||||
// Features are listed in alphabetical order. Tidy will fail if you don't keep it this way.
|
||||
// !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!!
|
||||
|
||||
@ -1,4 +1,3 @@
|
||||
use crate::symbol::{sym, Symbol};
|
||||
use std::fmt;
|
||||
use std::str::FromStr;
|
||||
|
||||
@ -58,15 +57,6 @@ impl Edition {
|
||||
}
|
||||
}
|
||||
|
||||
pub fn feature_name(self) -> Symbol {
|
||||
match self {
|
||||
Edition::Edition2015 => sym::rust_2015_preview,
|
||||
Edition::Edition2018 => sym::rust_2018_preview,
|
||||
Edition::Edition2021 => sym::rust_2021_preview,
|
||||
Edition::Edition2024 => sym::rust_2024_preview,
|
||||
}
|
||||
}
|
||||
|
||||
pub fn is_stable(self) -> bool {
|
||||
match self {
|
||||
Edition::Edition2015 => true,
|
||||
|
||||
@ -1350,13 +1350,10 @@ symbols! {
|
||||
rtm_target_feature,
|
||||
rust,
|
||||
rust_2015,
|
||||
rust_2015_preview,
|
||||
rust_2018,
|
||||
rust_2018_preview,
|
||||
rust_2021,
|
||||
rust_2021_preview,
|
||||
rust_2024,
|
||||
rust_2024_preview,
|
||||
rust_begin_unwind,
|
||||
rust_cold_cc,
|
||||
rust_eh_catch_typeinfo,
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
// rustfmt-edition: 2015
|
||||
#![feature(rust_2018_preview, uniform_paths)]
|
||||
#![feature(uniform_paths)]
|
||||
use futures::prelude::*;
|
||||
use http_03::cli::Cli;
|
||||
use hyper::{service::service_fn_ok, Body, Response, Server};
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
// rustfmt-edition: 2018
|
||||
#![feature(rust_2018_preview, uniform_paths)]
|
||||
#![feature(uniform_paths)]
|
||||
use futures::prelude::*;
|
||||
use http_03::cli::Cli;
|
||||
use hyper::{service::service_fn_ok, Body, Response, Server};
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
// rustfmt-edition: 2015
|
||||
#![feature(rust_2018_preview, uniform_paths)]
|
||||
#![feature(uniform_paths)]
|
||||
use futures::prelude::*;
|
||||
use http_03::cli::Cli;
|
||||
use hyper::{service::service_fn_ok, Body, Response, Server};
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
// rustfmt-edition: 2018
|
||||
#![feature(rust_2018_preview, uniform_paths)]
|
||||
#![feature(uniform_paths)]
|
||||
use ::log::{error, info, log};
|
||||
use futures::prelude::*;
|
||||
use http_03::cli::Cli;
|
||||
|
||||
@ -1,5 +0,0 @@
|
||||
// check-pass
|
||||
|
||||
#![feature(rust_2018_preview)]
|
||||
|
||||
fn main() {}
|
||||
@ -1,7 +0,0 @@
|
||||
// edition:2018
|
||||
// check-pass
|
||||
|
||||
#![feature(rust_2018_preview)]
|
||||
//~^ WARN the feature `rust_2018_preview` is included in the Rust 2018 edition
|
||||
|
||||
fn main() {}
|
||||
@ -1,9 +0,0 @@
|
||||
warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition
|
||||
--> $DIR/edition-feature-redundant.rs:4:12
|
||||
|
|
||||
LL | #![feature(rust_2018_preview)]
|
||||
| ^^^^^^^^^^^^^^^^^
|
||||
|
||||
warning: 1 warning emitted
|
||||
|
||||
For more information about this error, try `rustc --explain E0705`.
|
||||
@ -1,15 +0,0 @@
|
||||
// run-pass
|
||||
|
||||
#![allow(dead_code)]
|
||||
#![allow(unused_variables)]
|
||||
// Checks if the correct registers are being used to pass arguments
|
||||
// when the sysv64 ABI is specified.
|
||||
|
||||
#![feature(rust_2018_preview)]
|
||||
|
||||
pub trait Foo {}
|
||||
|
||||
// should compile without the dyn trait feature flag
|
||||
fn foo(x: &dyn Foo) {}
|
||||
|
||||
pub fn main() {}
|
||||
@ -1,10 +0,0 @@
|
||||
// check-pass
|
||||
|
||||
// This is a stub feature that doesn't control anything, so to make tidy happy,
|
||||
// gate-test-test_2018_feature
|
||||
|
||||
#![feature(test_2018_feature)]
|
||||
//~^ WARN the feature `test_2018_feature` is included in the Rust 2018 edition
|
||||
#![feature(rust_2018_preview)]
|
||||
|
||||
fn main() {}
|
||||
@ -1,9 +0,0 @@
|
||||
warning[E0705]: the feature `test_2018_feature` is included in the Rust 2018 edition
|
||||
--> $DIR/E0705.rs:6:12
|
||||
|
|
||||
LL | #![feature(test_2018_feature)]
|
||||
| ^^^^^^^^^^^^^^^^^
|
||||
|
||||
warning: 1 warning emitted
|
||||
|
||||
For more information about this error, try `rustc --explain E0705`.
|
||||
@ -1,8 +1,6 @@
|
||||
// run-pass
|
||||
// aux-build:custom-attr-only-one-derive.rs
|
||||
|
||||
#![feature(rust_2018_preview)]
|
||||
|
||||
#[macro_use]
|
||||
extern crate custom_attr_only_one_derive;
|
||||
|
||||
|
||||
@ -1,6 +1,5 @@
|
||||
// run-rustfix
|
||||
|
||||
#![feature(rust_2018_preview)]
|
||||
#![deny(absolute_paths_not_starting_with_crate)]
|
||||
|
||||
mod foo {
|
||||
|
||||
@ -1,6 +1,5 @@
|
||||
// run-rustfix
|
||||
|
||||
#![feature(rust_2018_preview)]
|
||||
#![deny(absolute_paths_not_starting_with_crate)]
|
||||
|
||||
mod foo {
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
error: absolute paths must start with `self`, `super`, `crate`, or an external crate name in the 2018 edition
|
||||
--> $DIR/edition-lint-fully-qualified-paths.rs:19:25
|
||||
--> $DIR/edition-lint-fully-qualified-paths.rs:18:25
|
||||
|
|
||||
LL | let _: <foo::Baz as ::foo::Foo>::Bar = ();
|
||||
| ^^^^^^^^^^ help: use `crate`: `crate::foo::Foo`
|
||||
@ -7,13 +7,13 @@ LL | let _: <foo::Baz as ::foo::Foo>::Bar = ();
|
||||
= warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
|
||||
= note: for more information, see issue #53130 <https://github.com/rust-lang/rust/issues/53130>
|
||||
note: the lint level is defined here
|
||||
--> $DIR/edition-lint-fully-qualified-paths.rs:4:9
|
||||
--> $DIR/edition-lint-fully-qualified-paths.rs:3:9
|
||||
|
|
||||
LL | #![deny(absolute_paths_not_starting_with_crate)]
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
error: absolute paths must start with `self`, `super`, `crate`, or an external crate name in the 2018 edition
|
||||
--> $DIR/edition-lint-fully-qualified-paths.rs:19:25
|
||||
--> $DIR/edition-lint-fully-qualified-paths.rs:18:25
|
||||
|
|
||||
LL | let _: <foo::Baz as ::foo::Foo>::Bar = ();
|
||||
| ^^^^^^^^^^ help: use `crate`: `crate::foo::Foo`
|
||||
@ -23,7 +23,7 @@ LL | let _: <foo::Baz as ::foo::Foo>::Bar = ();
|
||||
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
|
||||
|
||||
error: absolute paths must start with `self`, `super`, `crate`, or an external crate name in the 2018 edition
|
||||
--> $DIR/edition-lint-fully-qualified-paths.rs:25:13
|
||||
--> $DIR/edition-lint-fully-qualified-paths.rs:24:13
|
||||
|
|
||||
LL | let _: <::foo::Baz as foo::Foo>::Bar = ();
|
||||
| ^^^^^^^^^^ help: use `crate`: `crate::foo::Baz`
|
||||
|
||||
@ -1,6 +1,5 @@
|
||||
// run-rustfix
|
||||
|
||||
#![feature(rust_2018_preview)]
|
||||
#![deny(absolute_paths_not_starting_with_crate)]
|
||||
#![allow(unused_imports)]
|
||||
#![allow(dead_code)]
|
||||
|
||||
@ -1,6 +1,5 @@
|
||||
// run-rustfix
|
||||
|
||||
#![feature(rust_2018_preview)]
|
||||
#![deny(absolute_paths_not_starting_with_crate)]
|
||||
#![allow(unused_imports)]
|
||||
#![allow(dead_code)]
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
error: absolute paths must start with `self`, `super`, `crate`, or an external crate name in the 2018 edition
|
||||
--> $DIR/edition-lint-nested-empty-paths.rs:17:5
|
||||
--> $DIR/edition-lint-nested-empty-paths.rs:16:5
|
||||
|
|
||||
LL | use foo::{bar::{baz::{}}};
|
||||
| ^^^^^^^^^^^^^^^^^^^^^ help: use `crate`: `crate::foo::{bar::{baz::{}}}`
|
||||
@ -7,13 +7,13 @@ LL | use foo::{bar::{baz::{}}};
|
||||
= warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
|
||||
= note: for more information, see issue #53130 <https://github.com/rust-lang/rust/issues/53130>
|
||||
note: the lint level is defined here
|
||||
--> $DIR/edition-lint-nested-empty-paths.rs:4:9
|
||||
--> $DIR/edition-lint-nested-empty-paths.rs:3:9
|
||||
|
|
||||
LL | #![deny(absolute_paths_not_starting_with_crate)]
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
error: absolute paths must start with `self`, `super`, `crate`, or an external crate name in the 2018 edition
|
||||
--> $DIR/edition-lint-nested-empty-paths.rs:21:5
|
||||
--> $DIR/edition-lint-nested-empty-paths.rs:20:5
|
||||
|
|
||||
LL | use foo::{bar::{XX, baz::{}}};
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `crate`: `crate::foo::{bar::{XX, baz::{}}}`
|
||||
@ -22,7 +22,7 @@ LL | use foo::{bar::{XX, baz::{}}};
|
||||
= note: for more information, see issue #53130 <https://github.com/rust-lang/rust/issues/53130>
|
||||
|
||||
error: absolute paths must start with `self`, `super`, `crate`, or an external crate name in the 2018 edition
|
||||
--> $DIR/edition-lint-nested-empty-paths.rs:21:5
|
||||
--> $DIR/edition-lint-nested-empty-paths.rs:20:5
|
||||
|
|
||||
LL | use foo::{bar::{XX, baz::{}}};
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `crate`: `crate::foo::{bar::{XX, baz::{}}}`
|
||||
@ -32,7 +32,7 @@ LL | use foo::{bar::{XX, baz::{}}};
|
||||
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
|
||||
|
||||
error: absolute paths must start with `self`, `super`, `crate`, or an external crate name in the 2018 edition
|
||||
--> $DIR/edition-lint-nested-empty-paths.rs:27:5
|
||||
--> $DIR/edition-lint-nested-empty-paths.rs:26:5
|
||||
|
|
||||
LL | use foo::{bar::{baz::{}, baz1::{}}};
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `crate`: `crate::foo::{bar::{baz::{}, baz1::{}}}`
|
||||
@ -41,7 +41,7 @@ LL | use foo::{bar::{baz::{}, baz1::{}}};
|
||||
= note: for more information, see issue #53130 <https://github.com/rust-lang/rust/issues/53130>
|
||||
|
||||
error: absolute paths must start with `self`, `super`, `crate`, or an external crate name in the 2018 edition
|
||||
--> $DIR/edition-lint-nested-empty-paths.rs:27:5
|
||||
--> $DIR/edition-lint-nested-empty-paths.rs:26:5
|
||||
|
|
||||
LL | use foo::{bar::{baz::{}, baz1::{}}};
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `crate`: `crate::foo::{bar::{baz::{}, baz1::{}}}`
|
||||
|
||||
@ -1,6 +1,5 @@
|
||||
// run-rustfix
|
||||
|
||||
#![feature(rust_2018_preview)]
|
||||
#![deny(absolute_paths_not_starting_with_crate)]
|
||||
|
||||
use crate::foo::{a, b};
|
||||
|
||||
@ -1,6 +1,5 @@
|
||||
// run-rustfix
|
||||
|
||||
#![feature(rust_2018_preview)]
|
||||
#![deny(absolute_paths_not_starting_with_crate)]
|
||||
|
||||
use foo::{a, b};
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
error: absolute paths must start with `self`, `super`, `crate`, or an external crate name in the 2018 edition
|
||||
--> $DIR/edition-lint-nested-paths.rs:6:5
|
||||
--> $DIR/edition-lint-nested-paths.rs:5:5
|
||||
|
|
||||
LL | use foo::{a, b};
|
||||
| ^^^^^^^^^^^ help: use `crate`: `crate::foo::{a, b}`
|
||||
@ -7,13 +7,13 @@ LL | use foo::{a, b};
|
||||
= warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
|
||||
= note: for more information, see issue #53130 <https://github.com/rust-lang/rust/issues/53130>
|
||||
note: the lint level is defined here
|
||||
--> $DIR/edition-lint-nested-paths.rs:4:9
|
||||
--> $DIR/edition-lint-nested-paths.rs:3:9
|
||||
|
|
||||
LL | #![deny(absolute_paths_not_starting_with_crate)]
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
error: absolute paths must start with `self`, `super`, `crate`, or an external crate name in the 2018 edition
|
||||
--> $DIR/edition-lint-nested-paths.rs:6:5
|
||||
--> $DIR/edition-lint-nested-paths.rs:5:5
|
||||
|
|
||||
LL | use foo::{a, b};
|
||||
| ^^^^^^^^^^^ help: use `crate`: `crate::foo::{a, b}`
|
||||
@ -23,7 +23,7 @@ LL | use foo::{a, b};
|
||||
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
|
||||
|
||||
error: absolute paths must start with `self`, `super`, `crate`, or an external crate name in the 2018 edition
|
||||
--> $DIR/edition-lint-nested-paths.rs:23:13
|
||||
--> $DIR/edition-lint-nested-paths.rs:22:13
|
||||
|
|
||||
LL | use foo::{self as x, c};
|
||||
| ^^^^^^^^^^^^^^^^^^^ help: use `crate`: `crate::foo::{self as x, c}`
|
||||
@ -32,7 +32,7 @@ LL | use foo::{self as x, c};
|
||||
= note: for more information, see issue #53130 <https://github.com/rust-lang/rust/issues/53130>
|
||||
|
||||
error: absolute paths must start with `self`, `super`, `crate`, or an external crate name in the 2018 edition
|
||||
--> $DIR/edition-lint-nested-paths.rs:23:13
|
||||
--> $DIR/edition-lint-nested-paths.rs:22:13
|
||||
|
|
||||
LL | use foo::{self as x, c};
|
||||
| ^^^^^^^^^^^^^^^^^^^ help: use `crate`: `crate::foo::{self as x, c}`
|
||||
|
||||
@ -1,7 +1,6 @@
|
||||
// aux-build:edition-lint-paths.rs
|
||||
// run-rustfix
|
||||
|
||||
#![feature(rust_2018_preview)]
|
||||
#![deny(absolute_paths_not_starting_with_crate)]
|
||||
#![allow(unused)]
|
||||
|
||||
|
||||
@ -1,7 +1,6 @@
|
||||
// aux-build:edition-lint-paths.rs
|
||||
// run-rustfix
|
||||
|
||||
#![feature(rust_2018_preview)]
|
||||
#![deny(absolute_paths_not_starting_with_crate)]
|
||||
#![allow(unused)]
|
||||
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
error: absolute paths must start with `self`, `super`, `crate`, or an external crate name in the 2018 edition
|
||||
--> $DIR/edition-lint-paths.rs:12:9
|
||||
--> $DIR/edition-lint-paths.rs:11:9
|
||||
|
|
||||
LL | use bar::Bar;
|
||||
| ^^^^^^^^ help: use `crate`: `crate::bar::Bar`
|
||||
@ -7,13 +7,13 @@ LL | use bar::Bar;
|
||||
= warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
|
||||
= note: for more information, see issue #53130 <https://github.com/rust-lang/rust/issues/53130>
|
||||
note: the lint level is defined here
|
||||
--> $DIR/edition-lint-paths.rs:5:9
|
||||
--> $DIR/edition-lint-paths.rs:4:9
|
||||
|
|
||||
LL | #![deny(absolute_paths_not_starting_with_crate)]
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
error: absolute paths must start with `self`, `super`, `crate`, or an external crate name in the 2018 edition
|
||||
--> $DIR/edition-lint-paths.rs:19:9
|
||||
--> $DIR/edition-lint-paths.rs:18:9
|
||||
|
|
||||
LL | use bar;
|
||||
| ^^^ help: use `crate`: `crate::bar`
|
||||
@ -22,7 +22,7 @@ LL | use bar;
|
||||
= note: for more information, see issue #53130 <https://github.com/rust-lang/rust/issues/53130>
|
||||
|
||||
error: absolute paths must start with `self`, `super`, `crate`, or an external crate name in the 2018 edition
|
||||
--> $DIR/edition-lint-paths.rs:25:9
|
||||
--> $DIR/edition-lint-paths.rs:24:9
|
||||
|
|
||||
LL | use {main, Bar as SomethingElse};
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `crate`: `crate::{main, Bar as SomethingElse}`
|
||||
@ -31,7 +31,7 @@ LL | use {main, Bar as SomethingElse};
|
||||
= note: for more information, see issue #53130 <https://github.com/rust-lang/rust/issues/53130>
|
||||
|
||||
error: absolute paths must start with `self`, `super`, `crate`, or an external crate name in the 2018 edition
|
||||
--> $DIR/edition-lint-paths.rs:25:9
|
||||
--> $DIR/edition-lint-paths.rs:24:9
|
||||
|
|
||||
LL | use {main, Bar as SomethingElse};
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `crate`: `crate::{main, Bar as SomethingElse}`
|
||||
@ -41,7 +41,7 @@ LL | use {main, Bar as SomethingElse};
|
||||
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
|
||||
|
||||
error: absolute paths must start with `self`, `super`, `crate`, or an external crate name in the 2018 edition
|
||||
--> $DIR/edition-lint-paths.rs:25:9
|
||||
--> $DIR/edition-lint-paths.rs:24:9
|
||||
|
|
||||
LL | use {main, Bar as SomethingElse};
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `crate`: `crate::{main, Bar as SomethingElse}`
|
||||
@ -51,7 +51,7 @@ LL | use {main, Bar as SomethingElse};
|
||||
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
|
||||
|
||||
error: absolute paths must start with `self`, `super`, `crate`, or an external crate name in the 2018 edition
|
||||
--> $DIR/edition-lint-paths.rs:40:5
|
||||
--> $DIR/edition-lint-paths.rs:39:5
|
||||
|
|
||||
LL | use bar::Bar;
|
||||
| ^^^^^^^^ help: use `crate`: `crate::bar::Bar`
|
||||
@ -60,7 +60,7 @@ LL | use bar::Bar;
|
||||
= note: for more information, see issue #53130 <https://github.com/rust-lang/rust/issues/53130>
|
||||
|
||||
error: absolute paths must start with `self`, `super`, `crate`, or an external crate name in the 2018 edition
|
||||
--> $DIR/edition-lint-paths.rs:52:9
|
||||
--> $DIR/edition-lint-paths.rs:51:9
|
||||
|
|
||||
LL | use *;
|
||||
| ^ help: use `crate`: `crate::*`
|
||||
@ -69,7 +69,7 @@ LL | use *;
|
||||
= note: for more information, see issue #53130 <https://github.com/rust-lang/rust/issues/53130>
|
||||
|
||||
error: absolute paths must start with `self`, `super`, `crate`, or an external crate name in the 2018 edition
|
||||
--> $DIR/edition-lint-paths.rs:57:6
|
||||
--> $DIR/edition-lint-paths.rs:56:6
|
||||
|
|
||||
LL | impl ::foo::SomeTrait for u32 {}
|
||||
| ^^^^^^^^^^^^^^^^ help: use `crate`: `crate::foo::SomeTrait`
|
||||
@ -78,7 +78,7 @@ LL | impl ::foo::SomeTrait for u32 {}
|
||||
= note: for more information, see issue #53130 <https://github.com/rust-lang/rust/issues/53130>
|
||||
|
||||
error: absolute paths must start with `self`, `super`, `crate`, or an external crate name in the 2018 edition
|
||||
--> $DIR/edition-lint-paths.rs:62:13
|
||||
--> $DIR/edition-lint-paths.rs:61:13
|
||||
|
|
||||
LL | let x = ::bar::Bar;
|
||||
| ^^^^^^^^^^ help: use `crate`: `crate::bar::Bar`
|
||||
|
||||
@ -6,7 +6,6 @@
|
||||
// The "normal case". Ideally we would remove the `extern crate` here,
|
||||
// but we don't.
|
||||
|
||||
#![feature(rust_2018_preview)]
|
||||
#![deny(absolute_paths_not_starting_with_crate)]
|
||||
|
||||
extern crate edition_lint_paths;
|
||||
|
||||
@ -6,7 +6,6 @@
|
||||
// The "normal case". Ideally we would remove the `extern crate` here,
|
||||
// but we don't.
|
||||
|
||||
#![feature(rust_2018_preview)]
|
||||
#![deny(absolute_paths_not_starting_with_crate)]
|
||||
|
||||
extern crate edition_lint_paths;
|
||||
|
||||
@ -6,7 +6,6 @@
|
||||
// rather than being accessed directly. Unless we rewrite that path,
|
||||
// we can't drop the extern crate.
|
||||
|
||||
#![feature(rust_2018_preview)]
|
||||
#![deny(absolute_paths_not_starting_with_crate)]
|
||||
|
||||
extern crate edition_lint_paths;
|
||||
|
||||
@ -6,7 +6,6 @@
|
||||
// rather than being accessed directly. Unless we rewrite that path,
|
||||
// we can't drop the extern crate.
|
||||
|
||||
#![feature(rust_2018_preview)]
|
||||
#![deny(absolute_paths_not_starting_with_crate)]
|
||||
|
||||
extern crate edition_lint_paths;
|
||||
|
||||
@ -4,7 +4,6 @@
|
||||
// Oddball: crate is renamed, making it harder for us to rewrite
|
||||
// paths. We don't (and we leave the `extern crate` in place).
|
||||
|
||||
#![feature(rust_2018_preview)]
|
||||
#![deny(absolute_paths_not_starting_with_crate)]
|
||||
|
||||
extern crate edition_lint_paths as my_crate;
|
||||
|
||||
@ -4,7 +4,6 @@
|
||||
// Oddball: crate is renamed, making it harder for us to rewrite
|
||||
// paths. We don't (and we leave the `extern crate` in place).
|
||||
|
||||
#![feature(rust_2018_preview)]
|
||||
#![deny(absolute_paths_not_starting_with_crate)]
|
||||
|
||||
extern crate edition_lint_paths as my_crate;
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
error: absolute paths must start with `self`, `super`, `crate`, or an external crate name in the 2018 edition
|
||||
--> $DIR/extern-crate-rename.rs:12:5
|
||||
--> $DIR/extern-crate-rename.rs:11:5
|
||||
|
|
||||
LL | use my_crate::foo;
|
||||
| ^^^^^^^^^^^^^ help: use `crate`: `crate::my_crate::foo`
|
||||
@ -7,7 +7,7 @@ LL | use my_crate::foo;
|
||||
= warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
|
||||
= note: for more information, see issue #53130 <https://github.com/rust-lang/rust/issues/53130>
|
||||
note: the lint level is defined here
|
||||
--> $DIR/extern-crate-rename.rs:8:9
|
||||
--> $DIR/extern-crate-rename.rs:7:9
|
||||
|
|
||||
LL | #![deny(absolute_paths_not_starting_with_crate)]
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
@ -5,7 +5,6 @@
|
||||
// us to rewrite paths. We don't (and we leave the `extern crate` in
|
||||
// place).
|
||||
|
||||
#![feature(rust_2018_preview)]
|
||||
#![deny(absolute_paths_not_starting_with_crate)]
|
||||
|
||||
mod m {
|
||||
|
||||
@ -5,7 +5,6 @@
|
||||
// us to rewrite paths. We don't (and we leave the `extern crate` in
|
||||
// place).
|
||||
|
||||
#![feature(rust_2018_preview)]
|
||||
#![deny(absolute_paths_not_starting_with_crate)]
|
||||
|
||||
mod m {
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
error: absolute paths must start with `self`, `super`, `crate`, or an external crate name in the 2018 edition
|
||||
--> $DIR/extern-crate-submod.rs:19:5
|
||||
--> $DIR/extern-crate-submod.rs:18:5
|
||||
|
|
||||
LL | use m::edition_lint_paths::foo;
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `crate`: `crate::m::edition_lint_paths::foo`
|
||||
@ -7,7 +7,7 @@ LL | use m::edition_lint_paths::foo;
|
||||
= warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
|
||||
= note: for more information, see issue #53130 <https://github.com/rust-lang/rust/issues/53130>
|
||||
note: the lint level is defined here
|
||||
--> $DIR/extern-crate-submod.rs:9:9
|
||||
--> $DIR/extern-crate-submod.rs:8:9
|
||||
|
|
||||
LL | #![deny(absolute_paths_not_starting_with_crate)]
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
@ -4,8 +4,6 @@
|
||||
//
|
||||
// run-pass
|
||||
|
||||
#![feature(rust_2018_preview)]
|
||||
|
||||
trait A {
|
||||
|
||||
}
|
||||
|
||||
@ -4,8 +4,6 @@
|
||||
//
|
||||
// run-pass
|
||||
|
||||
#![feature(rust_2018_preview)]
|
||||
|
||||
trait A {
|
||||
|
||||
}
|
||||
|
||||
@ -4,7 +4,6 @@
|
||||
|
||||
#![crate_type = "proc-macro"]
|
||||
#![deny(rust_2018_compatibility)]
|
||||
#![feature(rust_2018_preview)]
|
||||
|
||||
extern crate proc_macro;
|
||||
|
||||
|
||||
@ -4,7 +4,6 @@
|
||||
// rustfix-only-machine-applicable
|
||||
// check-pass
|
||||
|
||||
#![feature(rust_2018_preview)]
|
||||
#![warn(rust_2018_compatibility)]
|
||||
|
||||
extern crate suggestions_not_always_applicable as foo;
|
||||
|
||||
@ -4,7 +4,6 @@
|
||||
// rustfix-only-machine-applicable
|
||||
// check-pass
|
||||
|
||||
#![feature(rust_2018_preview)]
|
||||
#![warn(rust_2018_compatibility)]
|
||||
|
||||
extern crate suggestions_not_always_applicable as foo;
|
||||
|
||||
@ -1,6 +1,5 @@
|
||||
// run-pass
|
||||
|
||||
#![feature(rust_2018_preview)]
|
||||
#![deny(unknown_lints)]
|
||||
|
||||
#[allow(clippy::almost_swapped)]
|
||||
|
||||
Loading…
Reference in New Issue
Block a user