diff options
Diffstat (limited to 'crates/ra_hir_ty/src/infer/coerce.rs')
-rw-r--r-- | crates/ra_hir_ty/src/infer/coerce.rs | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/crates/ra_hir_ty/src/infer/coerce.rs b/crates/ra_hir_ty/src/infer/coerce.rs index 95ac3c713..959b1e212 100644 --- a/crates/ra_hir_ty/src/infer/coerce.rs +++ b/crates/ra_hir_ty/src/infer/coerce.rs | |||
@@ -7,13 +7,11 @@ | |||
7 | use hir_def::{lang_item::LangItemTarget, type_ref::Mutability}; | 7 | use hir_def::{lang_item::LangItemTarget, type_ref::Mutability}; |
8 | use test_utils::tested_by; | 8 | use test_utils::tested_by; |
9 | 9 | ||
10 | use crate::{ | 10 | use crate::{autoderef, traits::Solution, Obligation, Substs, TraitRef, Ty, TypeCtor}; |
11 | autoderef, db::HirDatabase, traits::Solution, Obligation, Substs, TraitRef, Ty, TypeCtor, | ||
12 | }; | ||
13 | 11 | ||
14 | use super::{unify::TypeVarValue, InEnvironment, InferTy, InferenceContext}; | 12 | use super::{unify::TypeVarValue, InEnvironment, InferTy, InferenceContext}; |
15 | 13 | ||
16 | impl<'a, D: HirDatabase> InferenceContext<'a, D> { | 14 | impl<'a> InferenceContext<'a> { |
17 | /// Unify two types, but may coerce the first one to the second one | 15 | /// Unify two types, but may coerce the first one to the second one |
18 | /// using "implicit coercion rules" if needed. | 16 | /// using "implicit coercion rules" if needed. |
19 | pub(super) fn coerce(&mut self, from_ty: &Ty, to_ty: &Ty) -> bool { | 17 | pub(super) fn coerce(&mut self, from_ty: &Ty, to_ty: &Ty) -> bool { |
@@ -126,7 +124,7 @@ impl<'a, D: HirDatabase> InferenceContext<'a, D> { | |||
126 | _ => return None, | 124 | _ => return None, |
127 | }; | 125 | }; |
128 | 126 | ||
129 | let generic_params = crate::utils::generics(self.db, coerce_unsized_trait.into()); | 127 | let generic_params = crate::utils::generics(self.db.upcast(), coerce_unsized_trait.into()); |
130 | if generic_params.len() != 2 { | 128 | if generic_params.len() != 2 { |
131 | // The CoerceUnsized trait should have two generic params: Self and T. | 129 | // The CoerceUnsized trait should have two generic params: Self and T. |
132 | return None; | 130 | return None; |