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Use option combinators instead of manual if/return

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This commit is contained in:
Oli Scherer 2025-01-08 12:40:02 +00:00
parent 8505904dcc
commit 84c8d4f52d
1 changed files with 3 additions and 10 deletions
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13
compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs
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@ -2262,18 +2262,11 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ {
_ => None,
};
if let Some(lit_input) = lit_input {
// If an error occurred, ignore that it's a literal and leave reporting the error up to
// mir.
lit_input
// Allow the `ty` to be an alias type, though we cannot handle it here, we just go through
// the more expensive anon const code path.
if !lit_input.ty.has_aliases() {
return Some(tcx.at(expr.span).lit_to_const(lit_input));
}
}
None
.filter(|l| !l.ty.has_aliases())
.map(|l| tcx.at(expr.span).lit_to_const(l))
}
fn lower_delegation_ty(&self, idx: hir::InferDelegationKind) -> Ty<'tcx> {