Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/hir-ty/src/chalk_db.rs')
| -rw-r--r-- | crates/hir-ty/src/chalk_db.rs | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/crates/hir-ty/src/chalk_db.rs b/crates/hir-ty/src/chalk_db.rs index 9dd3bddbd4..fb7d99711d 100644 --- a/crates/hir-ty/src/chalk_db.rs +++ b/crates/hir-ty/src/chalk_db.rs @@ -803,17 +803,17 @@ pub(crate) fn adt_variance_query( ) } +/// Returns instantiated predicates. pub(super) fn convert_where_clauses( db: &dyn HirDatabase, def: GenericDefId, substs: &Substitution, ) -> Vec<chalk_ir::QuantifiedWhereClause<Interner>> { - let generic_predicates = db.generic_predicates(def); - let mut result = Vec::with_capacity(generic_predicates.len()); - for pred in generic_predicates.iter() { - result.push(pred.clone().substitute(Interner, substs)); - } - result + db.generic_predicates(def) + .iter() + .cloned() + .map(|pred| pred.substitute(Interner, substs)) + .collect() } pub(super) fn generic_predicate_to_inline_bound( |