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Diffstat (limited to 'crates/hir-ty/src/chalk_db.rs')
-rw-r--r--crates/hir-ty/src/chalk_db.rs3
1 files changed, 1 insertions, 2 deletions
diff --git a/crates/hir-ty/src/chalk_db.rs b/crates/hir-ty/src/chalk_db.rs
index 6989e9fb9b..28ae4c349f 100644
--- a/crates/hir-ty/src/chalk_db.rs
+++ b/crates/hir-ty/src/chalk_db.rs
@@ -540,8 +540,7 @@ pub(crate) fn trait_datum_query(
let where_clauses = convert_where_clauses(db, trait_.into(), &bound_vars);
let associated_ty_ids = trait_data.associated_types().map(to_assoc_type_id).collect();
let trait_datum_bound = rust_ir::TraitDatumBound { where_clauses };
- let well_known = lang_attr(db.upcast(), trait_)
- .and_then(|name| well_known_trait_from_lang_item(LangItem::from_str(&name)?));
+ let well_known = lang_attr(db.upcast(), trait_).and_then(well_known_trait_from_lang_item);
let trait_datum = TraitDatum {
id: trait_id,
binders: make_binders(db, &generic_params, trait_datum_bound),