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Diffstat (limited to 'crates/hir-ty/src/lower.rs')
| -rw-r--r-- | crates/hir-ty/src/lower.rs | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/crates/hir-ty/src/lower.rs b/crates/hir-ty/src/lower.rs index 841e0216ae..213400d04a 100644 --- a/crates/hir-ty/src/lower.rs +++ b/crates/hir-ty/src/lower.rs @@ -1700,6 +1700,28 @@ pub(crate) fn generic_predicates_query( db: &dyn HirDatabase, def: GenericDefId, ) -> GenericPredicates { + generic_predicates_filtered_by(db, def, |_, _| true) +} + +/// Resolve the where clause(s) of an item with generics, +/// except the ones inherited from the parent +pub(crate) fn generic_predicates_without_parent_query( + db: &dyn HirDatabase, + def: GenericDefId, +) -> GenericPredicates { + generic_predicates_filtered_by(db, def, |_, d| *d == def) +} + +/// Resolve the where clause(s) of an item with generics, +/// except the ones inherited from the parent +fn generic_predicates_filtered_by<F>( + db: &dyn HirDatabase, + def: GenericDefId, + filter: F, +) -> GenericPredicates +where + F: Fn(&WherePredicate, &GenericDefId) -> bool, +{ let resolver = def.resolver(db.upcast()); let (impl_trait_lowering, param_lowering) = match def { GenericDefId::FunctionId(_) => { @@ -1714,6 +1736,7 @@ pub(crate) fn generic_predicates_query( let mut predicates = resolver .where_predicates_in_scope() + .filter(|(pred, def)| filter(pred, def)) .flat_map(|(pred, def)| { ctx.lower_where_predicate(pred, def, false).map(|p| make_binders(db, &generics, p)) }) |