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Diffstat (limited to 'crates/hir-ty/src/lower/path.rs')
-rw-r--r--crates/hir-ty/src/lower/path.rs10
1 files changed, 8 insertions, 2 deletions
diff --git a/crates/hir-ty/src/lower/path.rs b/crates/hir-ty/src/lower/path.rs
index 58b143e84e..e237009eba 100644
--- a/crates/hir-ty/src/lower/path.rs
+++ b/crates/hir-ty/src/lower/path.rs
@@ -607,8 +607,14 @@ impl<'a, 'b> PathLoweringContext<'a, 'b> {
) -> Substitution {
let prohibit_parens = match def {
GenericDefId::TraitId(trait_) => {
- let trait_data = self.ctx.db.trait_data(trait_);
- !trait_data.flags.contains(TraitFlags::RUSTC_PAREN_SUGAR)
+ // RTN is prohibited anyways if we got here.
+ let is_rtn =
+ self.current_or_prev_segment.args_and_bindings.is_some_and(|generics| {
+ generics.parenthesized == GenericArgsParentheses::ReturnTypeNotation
+ });
+ let is_fn_trait =
+ !self.ctx.db.trait_data(trait_).flags.contains(TraitFlags::RUSTC_PAREN_SUGAR);
+ is_rtn || is_fn_trait
}
_ => true,
};