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Diffstat (limited to 'crates/hir-ty/src/infer/closure.rs')
-rw-r--r--crates/hir-ty/src/infer/closure.rs10
1 files changed, 1 insertions, 9 deletions
diff --git a/crates/hir-ty/src/infer/closure.rs b/crates/hir-ty/src/infer/closure.rs
index 62740f354c..32845ac2e3 100644
--- a/crates/hir-ty/src/infer/closure.rs
+++ b/crates/hir-ty/src/infer/closure.rs
@@ -177,15 +177,7 @@ impl InferenceContext<'_> {
}
fn fn_trait_kind_from_trait_id(&self, trait_id: hir_def::TraitId) -> Option<FnTrait> {
- utils::fn_traits(self.db.upcast(), self.owner.module(self.db.upcast()).krate())
- .enumerate()
- .find_map(|(i, t)| (t == trait_id).then_some(i))
- .map(|i| match i {
- 0 => FnTrait::Fn,
- 1 => FnTrait::FnMut,
- 2 => FnTrait::FnOnce,
- _ => unreachable!(),
- })
+ FnTrait::from_lang_item(self.db.lang_attr(trait_id.into())?)
}
}