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Clippy fallout.

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This commit is contained in:
Camille GILLOT 2022-06-04 14:17:00 +02:00
parent 1e033a9818
commit dcd248465e
4 changed files with 12 additions and 7 deletions
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4
clippy_lints/src/inherent_to_string.rs
View File

@ -2,7 +2,7 @@ use clippy_utils::diagnostics::span_lint_and_help;
use clippy_utils::ty::{implements_trait, is_type_diagnostic_item};
use clippy_utils::{get_trait_def_id, paths, return_ty, trait_ref_of_method};
use if_chain::if_chain;
use rustc_hir::{ImplItem, ImplItemKind};
use rustc_hir::{GenericParamKind, ImplItem, ImplItemKind};
use rustc_lint::{LateContext, LateLintPass};
use rustc_session::{declare_lint_pass, declare_tool_lint};
use rustc_span::sym;
@ -102,7 +102,7 @@ impl<'tcx> LateLintPass<'tcx> for InherentToString {
let decl = &signature.decl;
if decl.implicit_self.has_implicit_self();
if decl.inputs.len() == 1;
if impl_item.generics.params.is_empty();
if impl_item.generics.params.iter().all(|p| matches!(p.kind, GenericParamKind::Lifetime { .. }));
// Check if return type is String
if is_type_diagnostic_item(cx, return_ty(cx, impl_item.hir_id()), sym::String);

10
clippy_lints/src/lifetimes.rs
View File

@ -9,8 +9,8 @@ use rustc_hir::intravisit::{
use rustc_hir::FnRetTy::Return;
use rustc_hir::{
BareFnTy, BodyId, FnDecl, GenericArg, GenericBound, GenericParam, GenericParamKind, Generics, Impl, ImplItem,
ImplItemKind, Item, ItemKind, LangItem, Lifetime, LifetimeName, ParamName, PolyTraitRef, PredicateOrigin,
TraitBoundModifier, TraitFn, TraitItem, TraitItemKind, Ty, TyKind, WherePredicate,
ImplItemKind, Item, ItemKind, LangItem, Lifetime, LifetimeName, LifetimeParamKind, ParamName, PolyTraitRef,
PredicateOrigin, TraitBoundModifier, TraitFn, TraitItem, TraitItemKind, Ty, TyKind, WherePredicate,
};
use rustc_lint::{LateContext, LateLintPass};
use rustc_middle::hir::nested_filter as middle_nested_filter;
@ -338,7 +338,10 @@ fn could_use_elision<'tcx>(
fn allowed_lts_from(named_generics: &[GenericParam<'_>]) -> FxHashSet<RefLt> {
let mut allowed_lts = FxHashSet::default();
for par in named_generics.iter() {
if let GenericParamKind::Lifetime { .. } = par.kind {
if let GenericParamKind::Lifetime {
kind: LifetimeParamKind::Explicit,
} = par.kind
{
allowed_lts.insert(RefLt::Named(par.name.ident().name));
}
}
@ -379,6 +382,7 @@ impl<'a, 'tcx> RefVisitor<'a, 'tcx> {
self.lts.push(RefLt::Static);
} else if let LifetimeName::Param(_, ParamName::Fresh) = lt.name {
// Fresh lifetimes generated should be ignored.
self.lts.push(RefLt::Unnamed);
} else if lt.is_elided() {
self.lts.push(RefLt::Unnamed);
} else {

3
clippy_lints/src/ptr.rs
View File

@ -495,12 +495,13 @@ fn check_mut_from_ref<'tcx>(cx: &LateContext<'tcx>, sig: &FnSig<'_>, body: Optio
if let FnRetTy::Return(ty) = sig.decl.output
&& let Some((out, Mutability::Mut, _)) = get_rptr_lm(ty)
{
let out_region = cx.tcx.named_region(out.hir_id);
let args: Option<Vec<_>> = sig
.decl
.inputs
.iter()
.filter_map(get_rptr_lm)
.filter(|&(lt, _, _)| lt.name == out.name)
.filter(|&(lt, _, _)| cx.tcx.named_region(lt.hir_id) == out_region)
.map(|(_, mutability, span)| (mutability == Mutability::Not).then(|| span))
.collect();
if let Some(args) = args

2
clippy_lints/src/types/borrowed_box.rs
View File

@ -31,7 +31,7 @@ pub(super) fn check(cx: &LateContext<'_>, hir_ty: &hir::Ty<'_>, lt: &Lifetime, m
return false;
}
let ltopt = if lt.is_elided() {
let ltopt = if lt.name.is_anonymous() {
String::new()
} else {
format!("{} ", lt.name.ident().as_str())