diff options
author | Florian Diebold <[email protected]> | 2021-03-20 10:23:59 +0000 |
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committer | Florian Diebold <[email protected]> | 2021-03-20 11:47:12 +0000 |
commit | 7ec3b66f7a3ac0a33cf435bc3596fdac542fc52a (patch) | |
tree | 70a77a26ca09d8d5cd843b1cd9d59af229cd0daf /crates/hir_ty/src/infer/coerce.rs | |
parent | 8e7e405f6ab0c1ee10bfdd3d55a97628fe4cd6dd (diff) |
Turn Obligation into something similar to chalk_ir::DomainGoal
This includes starting to make use of Chalk's `Cast` trait.
Diffstat (limited to 'crates/hir_ty/src/infer/coerce.rs')
-rw-r--r-- | crates/hir_ty/src/infer/coerce.rs | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/crates/hir_ty/src/infer/coerce.rs b/crates/hir_ty/src/infer/coerce.rs index b86474ed4..07eb96573 100644 --- a/crates/hir_ty/src/infer/coerce.rs +++ b/crates/hir_ty/src/infer/coerce.rs | |||
@@ -4,12 +4,11 @@ | |||
4 | //! | 4 | //! |
5 | //! See: https://doc.rust-lang.org/nomicon/coercions.html | 5 | //! See: https://doc.rust-lang.org/nomicon/coercions.html |
6 | 6 | ||
7 | use chalk_ir::{Mutability, TyVariableKind}; | 7 | use chalk_ir::{cast::Cast, Mutability, TyVariableKind}; |
8 | use hir_def::lang_item::LangItemTarget; | 8 | use hir_def::lang_item::LangItemTarget; |
9 | 9 | ||
10 | use crate::{ | 10 | use crate::{ |
11 | autoderef, to_chalk_trait_id, traits::Solution, Interner, Obligation, Substitution, TraitRef, | 11 | autoderef, to_chalk_trait_id, traits::Solution, Interner, Substitution, TraitRef, Ty, TyKind, |
12 | Ty, TyKind, | ||
13 | }; | 12 | }; |
14 | 13 | ||
15 | use super::{InEnvironment, InferenceContext}; | 14 | use super::{InEnvironment, InferenceContext}; |
@@ -143,7 +142,7 @@ impl<'a> InferenceContext<'a> { | |||
143 | .build(); | 142 | .build(); |
144 | let trait_ref = | 143 | let trait_ref = |
145 | TraitRef { trait_id: to_chalk_trait_id(coerce_unsized_trait), substitution: substs }; | 144 | TraitRef { trait_id: to_chalk_trait_id(coerce_unsized_trait), substitution: substs }; |
146 | let goal = InEnvironment::new(self.trait_env.clone(), Obligation::Trait(trait_ref)); | 145 | let goal = InEnvironment::new(self.trait_env.clone(), trait_ref.cast(&Interner)); |
147 | 146 | ||
148 | let canonicalizer = self.canonicalizer(); | 147 | let canonicalizer = self.canonicalizer(); |
149 | let canonicalized = canonicalizer.canonicalize_obligation(goal); | 148 | let canonicalized = canonicalizer.canonicalize_obligation(goal); |