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-rw-r--r--crates/hir_ty/Cargo.toml6
-rw-r--r--crates/hir_ty/src/display.rs19
-rw-r--r--crates/hir_ty/src/infer.rs5
-rw-r--r--crates/hir_ty/src/infer/coerce.rs14
-rw-r--r--crates/hir_ty/src/infer/expr.rs21
-rw-r--r--crates/hir_ty/src/infer/pat.rs11
-rw-r--r--crates/hir_ty/src/lib.rs10
-rw-r--r--crates/hir_ty/src/lower.rs12
-rw-r--r--crates/hir_ty/src/method_resolution.rs9
-rw-r--r--crates/hir_ty/src/traits/chalk/mapping.rs28
10 files changed, 73 insertions, 62 deletions
diff --git a/crates/hir_ty/Cargo.toml b/crates/hir_ty/Cargo.toml
index 6ef9d1e7e..d1302d749 100644
--- a/crates/hir_ty/Cargo.toml
+++ b/crates/hir_ty/Cargo.toml
@@ -17,9 +17,9 @@ ena = "0.14.0"
17log = "0.4.8" 17log = "0.4.8"
18rustc-hash = "1.1.0" 18rustc-hash = "1.1.0"
19scoped-tls = "1" 19scoped-tls = "1"
20chalk-solve = { version = "0.58", default-features = false } 20chalk-solve = { version = "0.59", default-features = false }
21chalk-ir = "0.58" 21chalk-ir = "0.59"
22chalk-recursive = "0.58" 22chalk-recursive = "0.59"
23la-arena = { version = "0.2.0", path = "../../lib/arena" } 23la-arena = { version = "0.2.0", path = "../../lib/arena" }
24 24
25stdx = { path = "../stdx", version = "0.0.0" } 25stdx = { path = "../stdx", version = "0.0.0" }
diff --git a/crates/hir_ty/src/display.rs b/crates/hir_ty/src/display.rs
index f3a4333cb..d4a8b48e6 100644
--- a/crates/hir_ty/src/display.rs
+++ b/crates/hir_ty/src/display.rs
@@ -8,6 +8,7 @@ use crate::{
8 TraitRef, Ty, 8 TraitRef, Ty,
9}; 9};
10use arrayvec::ArrayVec; 10use arrayvec::ArrayVec;
11use chalk_ir::Mutability;
11use hir_def::{ 12use hir_def::{
12 db::DefDatabase, find_path, generics::TypeParamProvenance, item_scope::ItemInNs, AdtId, 13 db::DefDatabase, find_path, generics::TypeParamProvenance, item_scope::ItemInNs, AdtId,
13 AssocContainerId, HasModule, Lookup, ModuleId, TraitId, 14 AssocContainerId, HasModule, Lookup, ModuleId, TraitId,
@@ -291,9 +292,23 @@ impl HirDisplay for Ty {
291 t.into_displayable(f.db, f.max_size, f.omit_verbose_types, f.display_target); 292 t.into_displayable(f.db, f.max_size, f.omit_verbose_types, f.display_target);
292 293
293 if matches!(self, Ty::Raw(..)) { 294 if matches!(self, Ty::Raw(..)) {
294 write!(f, "*{}", m.as_keyword_for_ptr())?; 295 write!(
296 f,
297 "*{}",
298 match m {
299 Mutability::Not => "const ",
300 Mutability::Mut => "mut ",
301 }
302 )?;
295 } else { 303 } else {
296 write!(f, "&{}", m.as_keyword_for_ref())?; 304 write!(
305 f,
306 "&{}",
307 match m {
308 Mutability::Not => "",
309 Mutability::Mut => "mut ",
310 }
311 )?;
297 } 312 }
298 313
299 let datas; 314 let datas;
diff --git a/crates/hir_ty/src/infer.rs b/crates/hir_ty/src/infer.rs
index 18a4f5e8a..4d771a91e 100644
--- a/crates/hir_ty/src/infer.rs
+++ b/crates/hir_ty/src/infer.rs
@@ -18,6 +18,7 @@ use std::mem;
18use std::ops::Index; 18use std::ops::Index;
19use std::sync::Arc; 19use std::sync::Arc;
20 20
21use chalk_ir::Mutability;
21use hir_def::{ 22use hir_def::{
22 body::Body, 23 body::Body,
23 data::{ConstData, FunctionData, StaticData}, 24 data::{ConstData, FunctionData, StaticData},
@@ -25,7 +26,7 @@ use hir_def::{
25 lang_item::LangItemTarget, 26 lang_item::LangItemTarget,
26 path::{path, Path}, 27 path::{path, Path},
27 resolver::{HasResolver, Resolver, TypeNs}, 28 resolver::{HasResolver, Resolver, TypeNs},
28 type_ref::{Mutability, TypeRef}, 29 type_ref::TypeRef,
29 AdtId, AssocItemId, DefWithBodyId, EnumVariantId, FieldId, FunctionId, Lookup, TraitId, 30 AdtId, AssocItemId, DefWithBodyId, EnumVariantId, FieldId, FunctionId, Lookup, TraitId,
30 TypeAliasId, VariantId, 31 TypeAliasId, VariantId,
31}; 32};
@@ -87,7 +88,7 @@ impl BindingMode {
87 fn convert(annotation: BindingAnnotation) -> BindingMode { 88 fn convert(annotation: BindingAnnotation) -> BindingMode {
88 match annotation { 89 match annotation {
89 BindingAnnotation::Unannotated | BindingAnnotation::Mutable => BindingMode::Move, 90 BindingAnnotation::Unannotated | BindingAnnotation::Mutable => BindingMode::Move,
90 BindingAnnotation::Ref => BindingMode::Ref(Mutability::Shared), 91 BindingAnnotation::Ref => BindingMode::Ref(Mutability::Not),
91 BindingAnnotation::RefMut => BindingMode::Ref(Mutability::Mut), 92 BindingAnnotation::RefMut => BindingMode::Ref(Mutability::Mut),
92 } 93 }
93 } 94 }
diff --git a/crates/hir_ty/src/infer/coerce.rs b/crates/hir_ty/src/infer/coerce.rs
index c33d8c61e..cf0a3add4 100644
--- a/crates/hir_ty/src/infer/coerce.rs
+++ b/crates/hir_ty/src/infer/coerce.rs
@@ -4,8 +4,8 @@
4//! 4//!
5//! See: https://doc.rust-lang.org/nomicon/coercions.html 5//! See: https://doc.rust-lang.org/nomicon/coercions.html
6 6
7use chalk_ir::TyVariableKind; 7use chalk_ir::{Mutability, TyVariableKind};
8use hir_def::{lang_item::LangItemTarget, type_ref::Mutability}; 8use hir_def::lang_item::LangItemTarget;
9use test_utils::mark; 9use test_utils::mark;
10 10
11use crate::{autoderef, traits::Solution, Obligation, Substs, TraitRef, Ty}; 11use crate::{autoderef, traits::Solution, Obligation, Substs, TraitRef, Ty};
@@ -73,20 +73,20 @@ impl<'a> InferenceContext<'a> {
73 match (&mut from_ty, to_ty) { 73 match (&mut from_ty, to_ty) {
74 // `*mut T` -> `*const T` 74 // `*mut T` -> `*const T`
75 // `&mut T` -> `&T` 75 // `&mut T` -> `&T`
76 (Ty::Raw(m1, ..), Ty::Raw(m2 @ Mutability::Shared, ..)) 76 (Ty::Raw(m1, ..), Ty::Raw(m2 @ Mutability::Not, ..))
77 | (Ty::Ref(m1, ..), Ty::Ref(m2 @ Mutability::Shared, ..)) => { 77 | (Ty::Ref(m1, ..), Ty::Ref(m2 @ Mutability::Not, ..)) => {
78 *m1 = *m2; 78 *m1 = *m2;
79 } 79 }
80 // `&T` -> `*const T` 80 // `&T` -> `*const T`
81 // `&mut T` -> `*mut T`/`*const T` 81 // `&mut T` -> `*mut T`/`*const T`
82 (Ty::Ref(.., substs), &Ty::Raw(m2 @ Mutability::Shared, ..)) 82 (Ty::Ref(.., substs), &Ty::Raw(m2 @ Mutability::Not, ..))
83 | (Ty::Ref(Mutability::Mut, substs), &Ty::Raw(m2, ..)) => { 83 | (Ty::Ref(Mutability::Mut, substs), &Ty::Raw(m2, ..)) => {
84 from_ty = Ty::Raw(m2, substs.clone()); 84 from_ty = Ty::Raw(m2, substs.clone());
85 } 85 }
86 86
87 // Illegal mutability conversion 87 // Illegal mutability conversion
88 (Ty::Raw(Mutability::Shared, ..), Ty::Raw(Mutability::Mut, ..)) 88 (Ty::Raw(Mutability::Not, ..), Ty::Raw(Mutability::Mut, ..))
89 | (Ty::Ref(Mutability::Shared, ..), Ty::Ref(Mutability::Mut, ..)) => return false, 89 | (Ty::Ref(Mutability::Not, ..), Ty::Ref(Mutability::Mut, ..)) => return false,
90 90
91 // `{function_type}` -> `fn()` 91 // `{function_type}` -> `fn()`
92 (Ty::FnDef(..), Ty::Function { .. }) => match from_ty.callable_sig(self.db) { 92 (Ty::FnDef(..), Ty::Function { .. }) => match from_ty.callable_sig(self.db) {
diff --git a/crates/hir_ty/src/infer/expr.rs b/crates/hir_ty/src/infer/expr.rs
index 7852b3d23..cf1f1038a 100644
--- a/crates/hir_ty/src/infer/expr.rs
+++ b/crates/hir_ty/src/infer/expr.rs
@@ -3,7 +3,7 @@
3use std::iter::{repeat, repeat_with}; 3use std::iter::{repeat, repeat_with};
4use std::{mem, sync::Arc}; 4use std::{mem, sync::Arc};
5 5
6use chalk_ir::TyVariableKind; 6use chalk_ir::{Mutability, TyVariableKind};
7use hir_def::{ 7use hir_def::{
8 expr::{Array, BinaryOp, Expr, ExprId, Literal, Statement, UnaryOp}, 8 expr::{Array, BinaryOp, Expr, ExprId, Literal, Statement, UnaryOp},
9 path::{GenericArg, GenericArgs}, 9 path::{GenericArg, GenericArgs},
@@ -15,12 +15,14 @@ use syntax::ast::RangeOp;
15use test_utils::mark; 15use test_utils::mark;
16 16
17use crate::{ 17use crate::{
18 autoderef, method_resolution, op, 18 autoderef,
19 lower::lower_to_chalk_mutability,
20 method_resolution, op,
19 primitive::{self, UintTy}, 21 primitive::{self, UintTy},
20 traits::{FnTrait, InEnvironment}, 22 traits::{FnTrait, InEnvironment},
21 utils::{generics, variant_data, Generics}, 23 utils::{generics, variant_data, Generics},
22 Binders, CallableDefId, FnPointer, FnSig, Mutability, Obligation, OpaqueTyId, Rawness, Scalar, 24 Binders, CallableDefId, FnPointer, FnSig, Obligation, OpaqueTyId, Rawness, Scalar, Substs,
23 Substs, TraitRef, Ty, 25 TraitRef, Ty,
24}; 26};
25 27
26use super::{ 28use super::{
@@ -462,10 +464,11 @@ impl<'a> InferenceContext<'a> {
462 cast_ty 464 cast_ty
463 } 465 }
464 Expr::Ref { expr, rawness, mutability } => { 466 Expr::Ref { expr, rawness, mutability } => {
467 let mutability = lower_to_chalk_mutability(*mutability);
465 let expectation = if let Some((exp_inner, exp_rawness, exp_mutability)) = 468 let expectation = if let Some((exp_inner, exp_rawness, exp_mutability)) =
466 &expected.ty.as_reference_or_ptr() 469 &expected.ty.as_reference_or_ptr()
467 { 470 {
468 if *exp_mutability == Mutability::Mut && *mutability == Mutability::Shared { 471 if *exp_mutability == Mutability::Mut && mutability == Mutability::Not {
469 // FIXME: throw type error - expected mut reference but found shared ref, 472 // FIXME: throw type error - expected mut reference but found shared ref,
470 // which cannot be coerced 473 // which cannot be coerced
471 } 474 }
@@ -479,8 +482,8 @@ impl<'a> InferenceContext<'a> {
479 }; 482 };
480 let inner_ty = self.infer_expr_inner(*expr, &expectation); 483 let inner_ty = self.infer_expr_inner(*expr, &expectation);
481 match rawness { 484 match rawness {
482 Rawness::RawPtr => Ty::Raw(*mutability, Substs::single(inner_ty)), 485 Rawness::RawPtr => Ty::Raw(mutability, Substs::single(inner_ty)),
483 Rawness::Ref => Ty::Ref(*mutability, Substs::single(inner_ty)), 486 Rawness::Ref => Ty::Ref(mutability, Substs::single(inner_ty)),
484 } 487 }
485 } 488 }
486 Expr::Box { expr } => { 489 Expr::Box { expr } => {
@@ -684,11 +687,11 @@ impl<'a> InferenceContext<'a> {
684 } 687 }
685 Expr::Literal(lit) => match lit { 688 Expr::Literal(lit) => match lit {
686 Literal::Bool(..) => Ty::Scalar(Scalar::Bool), 689 Literal::Bool(..) => Ty::Scalar(Scalar::Bool),
687 Literal::String(..) => Ty::Ref(Mutability::Shared, Substs::single(Ty::Str)), 690 Literal::String(..) => Ty::Ref(Mutability::Not, Substs::single(Ty::Str)),
688 Literal::ByteString(..) => { 691 Literal::ByteString(..) => {
689 let byte_type = Ty::Scalar(Scalar::Uint(UintTy::U8)); 692 let byte_type = Ty::Scalar(Scalar::Uint(UintTy::U8));
690 let array_type = Ty::Array(Substs::single(byte_type)); 693 let array_type = Ty::Array(Substs::single(byte_type));
691 Ty::Ref(Mutability::Shared, Substs::single(array_type)) 694 Ty::Ref(Mutability::Not, Substs::single(array_type))
692 } 695 }
693 Literal::Char(..) => Ty::Scalar(Scalar::Char), 696 Literal::Char(..) => Ty::Scalar(Scalar::Char),
694 Literal::Int(_v, ty) => match ty { 697 Literal::Int(_v, ty) => match ty {
diff --git a/crates/hir_ty/src/infer/pat.rs b/crates/hir_ty/src/infer/pat.rs
index a318e47f3..eb099311c 100644
--- a/crates/hir_ty/src/infer/pat.rs
+++ b/crates/hir_ty/src/infer/pat.rs
@@ -3,17 +3,17 @@
3use std::iter::repeat; 3use std::iter::repeat;
4use std::sync::Arc; 4use std::sync::Arc;
5 5
6use chalk_ir::Mutability;
6use hir_def::{ 7use hir_def::{
7 expr::{BindingAnnotation, Expr, Literal, Pat, PatId, RecordFieldPat}, 8 expr::{BindingAnnotation, Expr, Literal, Pat, PatId, RecordFieldPat},
8 path::Path, 9 path::Path,
9 type_ref::Mutability,
10 FieldId, 10 FieldId,
11}; 11};
12use hir_expand::name::Name; 12use hir_expand::name::Name;
13use test_utils::mark; 13use test_utils::mark;
14 14
15use super::{BindingMode, Expectation, InferenceContext}; 15use super::{BindingMode, Expectation, InferenceContext};
16use crate::{utils::variant_data, Substs, Ty}; 16use crate::{lower::lower_to_chalk_mutability, utils::variant_data, Substs, Ty};
17 17
18impl<'a> InferenceContext<'a> { 18impl<'a> InferenceContext<'a> {
19 fn infer_tuple_struct_pat( 19 fn infer_tuple_struct_pat(
@@ -103,7 +103,7 @@ impl<'a> InferenceContext<'a> {
103 expected = inner; 103 expected = inner;
104 default_bm = match default_bm { 104 default_bm = match default_bm {
105 BindingMode::Move => BindingMode::Ref(mutability), 105 BindingMode::Move => BindingMode::Ref(mutability),
106 BindingMode::Ref(Mutability::Shared) => BindingMode::Ref(Mutability::Shared), 106 BindingMode::Ref(Mutability::Not) => BindingMode::Ref(Mutability::Not),
107 BindingMode::Ref(Mutability::Mut) => BindingMode::Ref(mutability), 107 BindingMode::Ref(Mutability::Mut) => BindingMode::Ref(mutability),
108 } 108 }
109 } 109 }
@@ -152,9 +152,10 @@ impl<'a> InferenceContext<'a> {
152 } 152 }
153 } 153 }
154 Pat::Ref { pat, mutability } => { 154 Pat::Ref { pat, mutability } => {
155 let mutability = lower_to_chalk_mutability(*mutability);
155 let expectation = match expected.as_reference() { 156 let expectation = match expected.as_reference() {
156 Some((inner_ty, exp_mut)) => { 157 Some((inner_ty, exp_mut)) => {
157 if *mutability != exp_mut { 158 if mutability != exp_mut {
158 // FIXME: emit type error? 159 // FIXME: emit type error?
159 } 160 }
160 inner_ty 161 inner_ty
@@ -162,7 +163,7 @@ impl<'a> InferenceContext<'a> {
162 _ => &Ty::Unknown, 163 _ => &Ty::Unknown,
163 }; 164 };
164 let subty = self.infer_pat(*pat, expectation, default_bm); 165 let subty = self.infer_pat(*pat, expectation, default_bm);
165 Ty::Ref(*mutability, Substs::single(subty)) 166 Ty::Ref(mutability, Substs::single(subty))
166 } 167 }
167 Pat::TupleStruct { path: p, args: subpats, ellipsis } => self.infer_tuple_struct_pat( 168 Pat::TupleStruct { path: p, args: subpats, ellipsis } => self.infer_tuple_struct_pat(
168 p.as_ref(), 169 p.as_ref(),
diff --git a/crates/hir_ty/src/lib.rs b/crates/hir_ty/src/lib.rs
index 9bcaf6fa7..c2a20c480 100644
--- a/crates/hir_ty/src/lib.rs
+++ b/crates/hir_ty/src/lib.rs
@@ -27,11 +27,9 @@ use std::{iter, mem, ops::Deref, sync::Arc};
27 27
28use base_db::salsa; 28use base_db::salsa;
29use hir_def::{ 29use hir_def::{
30 builtin_type::BuiltinType, 30 builtin_type::BuiltinType, expr::ExprId, type_ref::Rawness, AdtId, AssocContainerId,
31 expr::ExprId, 31 DefWithBodyId, FunctionId, GenericDefId, HasModule, LifetimeParamId, Lookup, TraitId,
32 type_ref::{Mutability, Rawness}, 32 TypeAliasId, TypeParamId,
33 AdtId, AssocContainerId, DefWithBodyId, FunctionId, GenericDefId, HasModule, LifetimeParamId,
34 Lookup, TraitId, TypeAliasId, TypeParamId,
35}; 33};
36use itertools::Itertools; 34use itertools::Itertools;
37 35
@@ -49,7 +47,7 @@ pub use lower::{
49}; 47};
50pub use traits::{InEnvironment, Obligation, ProjectionPredicate, TraitEnvironment}; 48pub use traits::{InEnvironment, Obligation, ProjectionPredicate, TraitEnvironment};
51 49
52pub use chalk_ir::{BoundVar, DebruijnIndex, Scalar, TyVariableKind}; 50pub use chalk_ir::{BoundVar, DebruijnIndex, Mutability, Scalar, TyVariableKind};
53 51
54#[derive(Clone, PartialEq, Eq, Debug, Hash)] 52#[derive(Clone, PartialEq, Eq, Debug, Hash)]
55pub enum Lifetime { 53pub enum Lifetime {
diff --git a/crates/hir_ty/src/lower.rs b/crates/hir_ty/src/lower.rs
index ca06c9fe2..1b5843d48 100644
--- a/crates/hir_ty/src/lower.rs
+++ b/crates/hir_ty/src/lower.rs
@@ -8,6 +8,7 @@
8use std::{iter, sync::Arc}; 8use std::{iter, sync::Arc};
9 9
10use base_db::CrateId; 10use base_db::CrateId;
11use chalk_ir::Mutability;
11use hir_def::{ 12use hir_def::{
12 adt::StructKind, 13 adt::StructKind,
13 builtin_type::BuiltinType, 14 builtin_type::BuiltinType,
@@ -157,7 +158,7 @@ impl Ty {
157 } 158 }
158 TypeRef::RawPtr(inner, mutability) => { 159 TypeRef::RawPtr(inner, mutability) => {
159 let inner_ty = Ty::from_hir(ctx, inner); 160 let inner_ty = Ty::from_hir(ctx, inner);
160 Ty::Raw(*mutability, Substs::single(inner_ty)) 161 Ty::Raw(lower_to_chalk_mutability(*mutability), Substs::single(inner_ty))
161 } 162 }
162 TypeRef::Array(inner) => { 163 TypeRef::Array(inner) => {
163 let inner_ty = Ty::from_hir(ctx, inner); 164 let inner_ty = Ty::from_hir(ctx, inner);
@@ -169,7 +170,7 @@ impl Ty {
169 } 170 }
170 TypeRef::Reference(inner, _, mutability) => { 171 TypeRef::Reference(inner, _, mutability) => {
171 let inner_ty = Ty::from_hir(ctx, inner); 172 let inner_ty = Ty::from_hir(ctx, inner);
172 Ty::Ref(*mutability, Substs::single(inner_ty)) 173 Ty::Ref(lower_to_chalk_mutability(*mutability), Substs::single(inner_ty))
173 } 174 }
174 TypeRef::Placeholder => Ty::Unknown, 175 TypeRef::Placeholder => Ty::Unknown,
175 TypeRef::Fn(params, is_varargs) => { 176 TypeRef::Fn(params, is_varargs) => {
@@ -1259,3 +1260,10 @@ pub(crate) fn return_type_impl_traits(
1259 Some(Arc::new(Binders::new(num_binders, return_type_impl_traits))) 1260 Some(Arc::new(Binders::new(num_binders, return_type_impl_traits)))
1260 } 1261 }
1261} 1262}
1263
1264pub(crate) fn lower_to_chalk_mutability(m: hir_def::type_ref::Mutability) -> Mutability {
1265 match m {
1266 hir_def::type_ref::Mutability::Shared => Mutability::Not,
1267 hir_def::type_ref::Mutability::Mut => Mutability::Mut,
1268 }
1269}
diff --git a/crates/hir_ty/src/method_resolution.rs b/crates/hir_ty/src/method_resolution.rs
index dd5109d4e..f301a8477 100644
--- a/crates/hir_ty/src/method_resolution.rs
+++ b/crates/hir_ty/src/method_resolution.rs
@@ -6,9 +6,10 @@ use std::{iter, sync::Arc};
6 6
7use arrayvec::ArrayVec; 7use arrayvec::ArrayVec;
8use base_db::CrateId; 8use base_db::CrateId;
9use chalk_ir::Mutability;
9use hir_def::{ 10use hir_def::{
10 lang_item::LangItemTarget, type_ref::Mutability, AdtId, AssocContainerId, AssocItemId, 11 lang_item::LangItemTarget, AdtId, AssocContainerId, AssocItemId, FunctionId, GenericDefId,
11 FunctionId, GenericDefId, HasModule, ImplId, Lookup, ModuleId, TraitId, TypeAliasId, 12 HasModule, ImplId, Lookup, ModuleId, TraitId, TypeAliasId,
12}; 13};
13use hir_expand::name::Name; 14use hir_expand::name::Name;
14use rustc_hash::{FxHashMap, FxHashSet}; 15use rustc_hash::{FxHashMap, FxHashSet};
@@ -251,7 +252,7 @@ impl Ty {
251 } 252 }
252 Ty::Str => lang_item_crate!("str_alloc", "str"), 253 Ty::Str => lang_item_crate!("str_alloc", "str"),
253 Ty::Slice(_) => lang_item_crate!("slice_alloc", "slice"), 254 Ty::Slice(_) => lang_item_crate!("slice_alloc", "slice"),
254 Ty::Raw(Mutability::Shared, _) => lang_item_crate!("const_ptr"), 255 Ty::Raw(Mutability::Not, _) => lang_item_crate!("const_ptr"),
255 Ty::Raw(Mutability::Mut, _) => lang_item_crate!("mut_ptr"), 256 Ty::Raw(Mutability::Mut, _) => lang_item_crate!("mut_ptr"),
256 Ty::Dyn(_) => { 257 Ty::Dyn(_) => {
257 return self.dyn_trait().and_then(|trait_| { 258 return self.dyn_trait().and_then(|trait_| {
@@ -429,7 +430,7 @@ fn iterate_method_candidates_with_autoref(
429 } 430 }
430 let refed = Canonical { 431 let refed = Canonical {
431 kinds: deref_chain[0].kinds.clone(), 432 kinds: deref_chain[0].kinds.clone(),
432 value: Ty::Ref(Mutability::Shared, Substs::single(deref_chain[0].value.clone())), 433 value: Ty::Ref(Mutability::Not, Substs::single(deref_chain[0].value.clone())),
433 }; 434 };
434 if iterate_method_candidates_by_receiver( 435 if iterate_method_candidates_by_receiver(
435 &refed, 436 &refed,
diff --git a/crates/hir_ty/src/traits/chalk/mapping.rs b/crates/hir_ty/src/traits/chalk/mapping.rs
index 6e6055d80..db1760e6c 100644
--- a/crates/hir_ty/src/traits/chalk/mapping.rs
+++ b/crates/hir_ty/src/traits/chalk/mapping.rs
@@ -10,7 +10,7 @@ use chalk_ir::{
10use chalk_solve::rust_ir; 10use chalk_solve::rust_ir;
11 11
12use base_db::salsa::InternKey; 12use base_db::salsa::InternKey;
13use hir_def::{type_ref::Mutability, AssocContainerId, GenericDefId, Lookup, TypeAliasId}; 13use hir_def::{AssocContainerId, GenericDefId, Lookup, TypeAliasId};
14 14
15use crate::{ 15use crate::{
16 db::HirDatabase, 16 db::HirDatabase,
@@ -65,7 +65,7 @@ impl ToChalk for Ty {
65 } 65 }
66 Ty::Raw(mutability, substs) => { 66 Ty::Raw(mutability, substs) => {
67 let ty = substs[0].clone().to_chalk(db); 67 let ty = substs[0].clone().to_chalk(db);
68 chalk_ir::TyKind::Raw(mutability.to_chalk(db), ty).intern(&Interner) 68 chalk_ir::TyKind::Raw(mutability, ty).intern(&Interner)
69 } 69 }
70 Ty::Slice(substs) => { 70 Ty::Slice(substs) => {
71 chalk_ir::TyKind::Slice(substs[0].clone().to_chalk(db)).intern(&Interner) 71 chalk_ir::TyKind::Slice(substs[0].clone().to_chalk(db)).intern(&Interner)
@@ -198,11 +198,11 @@ impl ToChalk for Ty {
198 Ty::Tuple(cardinality, from_chalk(db, subst)) 198 Ty::Tuple(cardinality, from_chalk(db, subst))
199 } 199 }
200 chalk_ir::TyKind::Raw(mutability, ty) => { 200 chalk_ir::TyKind::Raw(mutability, ty) => {
201 Ty::Raw(from_chalk(db, mutability), Substs::single(from_chalk(db, ty))) 201 Ty::Raw(mutability, Substs::single(from_chalk(db, ty)))
202 } 202 }
203 chalk_ir::TyKind::Slice(ty) => Ty::Slice(Substs::single(from_chalk(db, ty))), 203 chalk_ir::TyKind::Slice(ty) => Ty::Slice(Substs::single(from_chalk(db, ty))),
204 chalk_ir::TyKind::Ref(mutability, _lifetime, ty) => { 204 chalk_ir::TyKind::Ref(mutability, _lifetime, ty) => {
205 Ty::Ref(from_chalk(db, mutability), Substs::single(from_chalk(db, ty))) 205 Ty::Ref(mutability, Substs::single(from_chalk(db, ty)))
206 } 206 }
207 chalk_ir::TyKind::Str => Ty::Str, 207 chalk_ir::TyKind::Str => Ty::Str,
208 chalk_ir::TyKind::Never => Ty::Never, 208 chalk_ir::TyKind::Never => Ty::Never,
@@ -230,12 +230,12 @@ impl ToChalk for Ty {
230/// fake lifetime here, because Chalks built-in logic may expect it to be there. 230/// fake lifetime here, because Chalks built-in logic may expect it to be there.
231fn ref_to_chalk( 231fn ref_to_chalk(
232 db: &dyn HirDatabase, 232 db: &dyn HirDatabase,
233 mutability: Mutability, 233 mutability: chalk_ir::Mutability,
234 subst: Substs, 234 subst: Substs,
235) -> chalk_ir::Ty<Interner> { 235) -> chalk_ir::Ty<Interner> {
236 let arg = subst[0].clone().to_chalk(db); 236 let arg = subst[0].clone().to_chalk(db);
237 let lifetime = LifetimeData::Static.intern(&Interner); 237 let lifetime = LifetimeData::Static.intern(&Interner);
238 chalk_ir::TyKind::Ref(mutability.to_chalk(db), lifetime, arg).intern(&Interner) 238 chalk_ir::TyKind::Ref(mutability, lifetime, arg).intern(&Interner)
239} 239}
240 240
241/// We currently don't model constants, but Chalk does. So, we have to insert a 241/// We currently don't model constants, but Chalk does. So, we have to insert a
@@ -313,22 +313,6 @@ impl ToChalk for OpaqueTyId {
313 } 313 }
314} 314}
315 315
316impl ToChalk for Mutability {
317 type Chalk = chalk_ir::Mutability;
318 fn to_chalk(self, _db: &dyn HirDatabase) -> Self::Chalk {
319 match self {
320 Mutability::Shared => chalk_ir::Mutability::Not,
321 Mutability::Mut => chalk_ir::Mutability::Mut,
322 }
323 }
324 fn from_chalk(_db: &dyn HirDatabase, chalk: Self::Chalk) -> Self {
325 match chalk {
326 chalk_ir::Mutability::Mut => Mutability::Mut,
327 chalk_ir::Mutability::Not => Mutability::Shared,
328 }
329 }
330}
331
332impl ToChalk for hir_def::ImplId { 316impl ToChalk for hir_def::ImplId {
333 type Chalk = ImplId; 317 type Chalk = ImplId;
334 318