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[Clippy] Swap lines_filter_map_ok to use a diagnostic item instead of path

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GnomedDev 2024-09-18 19:36:12 +01:00
parent a786be5d06
commit 3ebff28f80
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4 changed files with 4 additions and 3 deletions
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1
compiler/rustc_span/src/symbol.rs
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@ -1575,6 +1575,7 @@ symbols! {
residual,
result,
result_ffi_guarantees,
result_ok_method,
resume,
return_position_impl_trait_in_trait,
return_type_notation,

1
library/core/src/result.rs
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@ -653,6 +653,7 @@ impl<T, E> Result<T, E> {
/// ```
#[inline]
#[stable(feature = "rust1", since = "1.0.0")]
#[cfg_attr(not(test), rustc_diagnostic_item = "result_ok_method")]
pub fn ok(self) -> Option<T> {
match self {
Ok(x) => Some(x),

4
src/tools/clippy/clippy_lints/src/lines_filter_map_ok.rs
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@ -1,6 +1,6 @@
use clippy_utils::diagnostics::span_lint_and_then;
use clippy_utils::ty::is_type_diagnostic_item;
use clippy_utils::{is_diag_item_method, is_trait_method, match_def_path, path_to_local_id, paths};
use clippy_utils::{is_diag_item_method, is_trait_method, path_to_local_id};
use rustc_errors::Applicability;
use rustc_hir::{Body, Closure, Expr, ExprKind};
use rustc_lint::{LateContext, LateLintPass};
@ -96,7 +96,7 @@ fn should_lint(cx: &LateContext<'_>, args: &[Expr<'_>], method_str: &str) -> boo
ExprKind::Path(qpath) => cx
.qpath_res(qpath, fm_arg.hir_id)
.opt_def_id()
.is_some_and(|did| match_def_path(cx, did, &paths::CORE_RESULT_OK_METHOD)),
.is_some_and(|did| cx.tcx.is_diagnostic_item(sym::result_ok_method, did)),
// Detect `|x| x.ok()`
ExprKind::Closure(Closure { body, .. }) => {
if let Body {

1
src/tools/clippy/clippy_utils/src/paths.rs
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@ -12,7 +12,6 @@ pub const APPLICABILITY_VALUES: [[&str; 3]; 4] = [
["rustc_lint_defs", "Applicability", "MachineApplicable"],
];
pub const DIAG: [&str; 2] = ["rustc_errors", "Diag"];
pub const CORE_RESULT_OK_METHOD: [&str; 4] = ["core", "result", "Result", "ok"];
pub const CSTRING_AS_C_STR: [&str; 5] = ["alloc", "ffi", "c_str", "CString", "as_c_str"];
pub const EARLY_CONTEXT: [&str; 2] = ["rustc_lint", "EarlyContext"];
pub const EARLY_LINT_PASS: [&str; 3] = ["rustc_lint", "passes", "EarlyLintPass"];