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misc: move infallible stuff out of the way

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Ada Alakbarova 2025-10-22 11:46:37 +02:00
parent fb82de5ed8
commit 5ff804e9b2
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1 changed files with 6 additions and 12 deletions
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18
clippy_lints/src/matches/match_as_ref.rs
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@ -21,24 +21,18 @@ pub(crate) fn check(cx: &LateContext<'_>, ex: &Expr<'_>, arms: &[Arm<'_>], expr:
} else {
None
}
&& let output_ty = cx.typeck_results().expr_ty(expr)
&& let input_ty = cx.typeck_results().expr_ty(ex)
&& let Some(input_ty) = option_arg_ty(cx, input_ty)
&& let Some(output_ty) = option_arg_ty(cx, output_ty)
&& let ty::Ref(_, output_ty, _) = *output_ty.kind()
{
let method = match arm_ref_mutbl {
Mutability::Not => "as_ref",
Mutability::Mut => "as_mut",
};
let output_ty = cx.typeck_results().expr_ty(expr);
let input_ty = cx.typeck_results().expr_ty(ex);
let cast = if let Some(input_ty) = option_arg_ty(cx, input_ty)
&& let Some(output_ty) = option_arg_ty(cx, output_ty)
&& let ty::Ref(_, output_ty, _) = *output_ty.kind()
&& input_ty != output_ty
{
".map(|x| x as _)"
} else {
""
};
let cast = if input_ty == output_ty { "" } else { ".map(|x| x as _)" };
let mut applicability = Applicability::MachineApplicable;
span_lint_and_then(