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Diffstat (limited to 'crates/hir-ty/src/infer/op.rs')
| -rw-r--r-- | crates/hir-ty/src/infer/op.rs | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/crates/hir-ty/src/infer/op.rs b/crates/hir-ty/src/infer/op.rs index 5900027a98..0127fd6cdb 100644 --- a/crates/hir-ty/src/infer/op.rs +++ b/crates/hir-ty/src/infer/op.rs @@ -194,6 +194,7 @@ impl<'a, 'db> InferenceContext<'a, 'db> { // particularly for things like `String + &String`. let rhs_ty_var = self.table.next_ty_var(rhs_expr.into()); let result = self.lookup_op_method( + expr, lhs_ty, Some((rhs_expr, rhs_ty_var)), self.lang_item_for_bin_op(op), @@ -265,7 +266,7 @@ impl<'a, 'db> InferenceContext<'a, 'db> { operand_ty: Ty<'db>, op: UnaryOp, ) -> Ty<'db> { - match self.lookup_op_method(operand_ty, None, self.lang_item_for_unop(op)) { + match self.lookup_op_method(ex, operand_ty, None, self.lang_item_for_unop(op)) { Ok(method) => { self.write_method_resolution(ex, method.def_id, method.args); method.sig.output() @@ -279,6 +280,7 @@ impl<'a, 'db> InferenceContext<'a, 'db> { fn lookup_op_method( &mut self, + expr: ExprId, lhs_ty: Ty<'db>, opt_rhs: Option<(ExprId, Ty<'db>)>, (opname, trait_did): (Symbol, Option<TraitId>), @@ -294,14 +296,14 @@ impl<'a, 'db> InferenceContext<'a, 'db> { ); let opt_rhs_ty = opt_rhs.map(|it| it.1); - let cause = ObligationCause::new(); + let cause = ObligationCause::new(expr); // We don't consider any other candidates if this lookup fails // so we can freely treat opaque types as inference variables here // to allow more code to compile. let treat_opaques = TreatNotYetDefinedOpaques::AsInfer; let method = self.table.lookup_method_for_operator( - cause.clone(), + cause, opname, trait_did, lhs_ty, |