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Diffstat (limited to 'crates/hir-ty/src/chalk_ext.rs')
| -rw-r--r-- | crates/hir-ty/src/chalk_ext.rs | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/crates/hir-ty/src/chalk_ext.rs b/crates/hir-ty/src/chalk_ext.rs index 4f0e9dbf1e..e2099d7e50 100644 --- a/crates/hir-ty/src/chalk_ext.rs +++ b/crates/hir-ty/src/chalk_ext.rs @@ -262,7 +262,7 @@ impl TyExt for Ty { WhereClause::AliasEq(AliasEq { alias: AliasTy::Projection(proj), ty: _, - }) => &proj.self_type_parameter(Interner) == self, + }) => &proj.self_type_parameter(db) == self, _ => false, }) .collect::<Vec<_>>(); @@ -333,6 +333,7 @@ impl TyExt for Ty { pub trait ProjectionTyExt { fn trait_ref(&self, db: &dyn HirDatabase) -> TraitRef; fn trait_(&self, db: &dyn HirDatabase) -> TraitId; + fn self_type_parameter(&self, db: &dyn HirDatabase) -> Ty; } impl ProjectionTyExt for ProjectionTy { @@ -349,6 +350,10 @@ impl ProjectionTyExt for ProjectionTy { _ => panic!("projection ty without parent trait"), } } + + fn self_type_parameter(&self, db: &dyn HirDatabase) -> Ty { + self.trait_ref(db).self_type_parameter(Interner) + } } pub trait TraitRefExt { |