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authorFlorian Diebold <[email protected]>2021-04-03 16:41:55 +0100
committerFlorian Diebold <[email protected]>2021-04-08 13:08:54 +0100
commite5d294765ae224ad59c6cd55442088fd3e604708 (patch)
tree66f3aa233c7792d7e75fc6762d43a594f9261979 /crates/hir_ty/src
parent429bbbd39a7bcb8650b522a9d683d20d76269770 (diff)
Remove obsolete Cast impls
Diffstat (limited to 'crates/hir_ty/src')
-rw-r--r--crates/hir_ty/src/chalk_cast.rs47
1 files changed, 0 insertions, 47 deletions
diff --git a/crates/hir_ty/src/chalk_cast.rs b/crates/hir_ty/src/chalk_cast.rs
index df6492113..1c3feabca 100644
--- a/crates/hir_ty/src/chalk_cast.rs
+++ b/crates/hir_ty/src/chalk_cast.rs
@@ -15,35 +15,6 @@ macro_rules! has_interner {
15 }; 15 };
16} 16}
17 17
18has_interner!(WhereClause);
19has_interner!(DomainGoal);
20has_interner!(GenericArg);
21has_interner!(Ty);
22
23impl CastTo<WhereClause> for TraitRef {
24 fn cast_to(self, _interner: &Interner) -> WhereClause {
25 WhereClause::Implemented(self)
26 }
27}
28
29impl CastTo<WhereClause> for AliasEq {
30 fn cast_to(self, _interner: &Interner) -> WhereClause {
31 WhereClause::AliasEq(self)
32 }
33}
34
35impl CastTo<DomainGoal> for WhereClause {
36 fn cast_to(self, _interner: &Interner) -> DomainGoal {
37 DomainGoal::Holds(self)
38 }
39}
40
41impl CastTo<GenericArg> for Ty {
42 fn cast_to(self, interner: &Interner) -> GenericArg {
43 GenericArg::new(interner, GenericArgData::Ty(self))
44 }
45}
46
47macro_rules! transitive_impl { 18macro_rules! transitive_impl {
48 ($a:ty, $b:ty, $c:ty) => { 19 ($a:ty, $b:ty, $c:ty) => {
49 impl CastTo<$c> for $a { 20 impl CastTo<$c> for $a {
@@ -53,21 +24,3 @@ macro_rules! transitive_impl {
53 } 24 }
54 }; 25 };
55} 26}
56
57// In Chalk, these can be done as blanket impls, but that doesn't work here
58// because of coherence
59
60transitive_impl!(TraitRef, WhereClause, DomainGoal);
61transitive_impl!(AliasEq, WhereClause, DomainGoal);
62
63macro_rules! reflexive_impl {
64 ($a:ty) => {
65 impl CastTo<$a> for $a {
66 fn cast_to(self, _interner: &Interner) -> $a {
67 self
68 }
69 }
70 };
71}
72
73reflexive_impl!(GenericArg);