bjoernager/rust
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if $c:expr { Some($r:expr) } else { None } =>> $c.then(|| $r)

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This commit is contained in:
Maybe Waffle 2023-02-15 11:43:41 +00:00
parent af3c8b2726
commit 8751fa1a9a
54 changed files with 159 additions and 281 deletions
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8
compiler/rustc_mir_transform/src/function_item_references.rs
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@ -111,11 +111,9 @@ impl<'tcx> FunctionItemRefChecker<'_, 'tcx> {
/// If the given predicate is the trait `fmt::Pointer`, returns the bound parameter type.
fn is_pointer_trait(&self, bound: &PredicateKind<'tcx>) -> Option<Ty<'tcx>> {
if let ty::PredicateKind::Clause(ty::Clause::Trait(predicate)) = bound {
if self.tcx.is_diagnostic_item(sym::Pointer, predicate.def_id()) {
Some(predicate.trait_ref.self_ty())
} else {
None
}
self.tcx
.is_diagnostic_item(sym::Pointer, predicate.def_id())
.then(|| predicate.trait_ref.self_ty())
} else {
None
}