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mut_mut: Delay macro check

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This commit is contained in:
Jason Newcomb 2024-06-13 19:12:10 -04:00
parent c22608823f
commit 139dad8849
1 changed files with 11 additions and 26 deletions
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37
clippy_lints/src/mut_mut.rs
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@ -35,33 +35,18 @@ impl<'tcx> LateLintPass<'tcx> for MutMut {
}
fn check_ty(&mut self, cx: &LateContext<'tcx>, ty: &'tcx hir::Ty<'_>) {
if in_external_macro(cx.sess(), ty.span) {
return;
}
if let hir::TyKind::Ref(
_,
hir::MutTy {
ty: pty,
mutbl: hir::Mutability::Mut,
},
) = ty.kind
if let hir::TyKind::Ref(_, mty) = ty.kind
&& mty.mutbl == hir::Mutability::Mut
&& let hir::TyKind::Ref(_, mty) = mty.ty.kind
&& mty.mutbl == hir::Mutability::Mut
&& !in_external_macro(cx.sess(), ty.span)
{
if let hir::TyKind::Ref(
_,
hir::MutTy {
mutbl: hir::Mutability::Mut,
..
},
) = pty.kind
{
span_lint(
cx,
MUT_MUT,
ty.span,
"generally you want to avoid `&mut &mut _` if possible",
);
}
span_lint(
cx,
MUT_MUT,
ty.span,
"generally you want to avoid `&mut &mut _` if possible",
);
}
}
}