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Checking for proc_macro not only when local.init is Some

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Renato Lochetti 2023-05-16 09:34:20 +01:00
parent df200aaf39
commit 2d9d81fc1e
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1 changed files with 12 additions and 12 deletions
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24
clippy_lints/src/let_underscore.rs
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@ -192,18 +192,18 @@ impl<'tcx> LateLintPass<'tcx> for LetUnderscore {
if local.pat.default_binding_modes && local.ty.is_none() {
// When `default_binding_modes` is true, the `let` keyword is present.
if let Some(init) = local.init {
// Ignore function calls that return impl traits...
if matches!(init.kind, ExprKind::Call(_, _) | ExprKind::MethodCall(_, _, _, _)) {
let expr_ty = cx.typeck_results().expr_ty(init);
if expr_ty.is_impl_trait() {
return;
}
}
// Ignore if it is from a procedural macro...
if is_from_proc_macro(cx, init) {
return;
}
// Ignore function calls that return impl traits...
if let Some(init) = local.init &&
matches!(init.kind, ExprKind::Call(_, _) | ExprKind::MethodCall(_, _, _, _)) {
let expr_ty = cx.typeck_results().expr_ty(init);
if expr_ty.is_impl_trait() {
return;
}
}
// Ignore if it is from a procedural macro...
if is_from_proc_macro(cx, init) {
return;
}
span_lint_and_help(