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Make Ty::boxed_ty return an Option

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This commit is contained in:
Pavel Grigorenko
2024-09-05 00:34:04 +03:00
parent 842d6fc32e
commit f6e8a84eea
21 changed files with 58 additions and 48 deletions
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7
compiler/rustc_lint/src/shadowed_into_iter.rs
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@@ -94,12 +94,9 @@ impl<'tcx> LateLintPass<'tcx> for ShadowedIntoIter {
fn is_ref_to_array(ty: Ty<'_>) -> bool {
if let ty::Ref(_, pointee_ty, _) = *ty.kind() { pointee_ty.is_array() } else { false }
}
fn is_boxed_slice(ty: Ty<'_>) -> bool {
ty.is_box() && ty.boxed_ty().is_slice()
}
fn is_ref_to_boxed_slice(ty: Ty<'_>) -> bool {
if let ty::Ref(_, pointee_ty, _) = *ty.kind() {
is_boxed_slice(pointee_ty)
pointee_ty.boxed_ty().is_some_and(Ty::is_slice)
} else {
false
}
@@ -119,7 +116,7 @@ impl<'tcx> LateLintPass<'tcx> for ShadowedIntoIter {
.iter()
.copied()
.take_while(|ty| !is_ref_to_boxed_slice(*ty))
.position(|ty| is_boxed_slice(ty))
.position(|ty| ty.boxed_ty().is_some_and(Ty::is_slice))
{
(BOXED_SLICE_INTO_ITER, "Box<[T]>", "2024", idx == 0)
} else {