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[let_underscore_untyped]: fix false positive on async function

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This commit is contained in:
Samuel Tardieu 2024-03-03 14:03:02 +01:00
parent 5e0afee334
commit 1df2854ac3
2 changed files with 5 additions and 2 deletions
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5
clippy_lints/src/let_underscore.rs
View file

@ -1,7 +1,7 @@
use clippy_utils::diagnostics::span_lint_and_help;
use clippy_utils::ty::{implements_trait, is_must_use_ty, match_type};
use clippy_utils::{is_from_proc_macro, is_must_use_func_call, paths};
use rustc_hir::{Local, PatKind};
use rustc_hir::{Local, LocalSource, PatKind};
use rustc_lint::{LateContext, LateLintPass};
use rustc_middle::lint::in_external_macro;
use rustc_middle::ty::{GenericArgKind, IsSuggestable};
@ -139,7 +139,8 @@ const SYNC_GUARD_PATHS: [&[&str]; 3] = [
impl<'tcx> LateLintPass<'tcx> for LetUnderscore {
fn check_local(&mut self, cx: &LateContext<'tcx>, local: &Local<'tcx>) {
if !in_external_macro(cx.tcx.sess, local.span)
if matches!(local.source, LocalSource::Normal)
&& !in_external_macro(cx.tcx.sess, local.span)
&& let PatKind::Wild = local.pat.kind
&& let Some(init) = local.init
{

2
tests/ui/let_underscore_untyped.rs
View file

@ -73,3 +73,5 @@ fn main() {
#[allow(clippy::let_underscore_untyped)]
let _ = a();
}
async fn dont_lint_async_prototype(_: u8) {}