1 files changed, 14 insertions, 48 deletions

diff --git a/crates/hir_ty/src/lib.rs b/crates/hir_ty/src/lib.rs
index 84645c435..87f10e9d5 100644
--- a/crates/hir_ty/src/lib.rs
+++ b/crates/hir_ty/src/lib.rs
@@ -41,7 +41,7 @@ use crate::{db::HirDatabase, display::HirDisplay, utils::generics};
 
 pub use autoderef::autoderef;
 pub use builder::TyBuilder;
-pub use chalk_ext::{ProjectionTyExt, TyExt};
+pub use chalk_ext::*;
 pub use infer::{could_unify, InferenceResult};
 pub use lower::{
     associated_type_shorthand_candidates, callable_item_sig, CallableDefId, ImplTraitLoweringMode,
@@ -107,22 +107,18 @@ pub fn make_only_type_binders<T>(num_vars: usize, value: T) -> Binders<T> {
     )
 }
 
-impl TraitRef {
-    pub fn hir_trait_id(&self) -> TraitId {
-        from_chalk_trait_id(self.trait_id)
-    }
-}
-
-impl<T> Canonical<T> {
-    pub fn new(value: T, kinds: impl IntoIterator<Item = TyVariableKind>) -> Self {
-        let kinds = kinds.into_iter().map(|tk| {
-            chalk_ir::CanonicalVarKind::new(
-                chalk_ir::VariableKind::Ty(tk),
-                chalk_ir::UniverseIndex::ROOT,
-            )
-        });
-        Self { value, binders: chalk_ir::CanonicalVarKinds::from_iter(&Interner, kinds) }
-    }
+// FIXME: get rid of this
+pub fn make_canonical<T>(
+    value: T,
+    kinds: impl IntoIterator<Item = TyVariableKind>,
+) -> Canonical<T> {
+    let kinds = kinds.into_iter().map(|tk| {
+        chalk_ir::CanonicalVarKind::new(
+            chalk_ir::VariableKind::Ty(tk),
+            chalk_ir::UniverseIndex::ROOT,
+        )
+    });
+    Canonical { value, binders: chalk_ir::CanonicalVarKinds::from_iter(&Interner, kinds) }
 }
 
 /// A function signature as seen by type inference: Several parameter types and
@@ -168,37 +164,7 @@ impl CallableSig {
     }
 }
 
-impl Ty {
-    pub fn equals_ctor(&self, other: &Ty) -> bool {
-        match (self.kind(&Interner), other.kind(&Interner)) {
-            (TyKind::Adt(adt, ..), TyKind::Adt(adt2, ..)) => adt == adt2,
-            (TyKind::Slice(_), TyKind::Slice(_)) | (TyKind::Array(_, _), TyKind::Array(_, _)) => {
-                true
-            }
-            (TyKind::FnDef(def_id, ..), TyKind::FnDef(def_id2, ..)) => def_id == def_id2,
-            (TyKind::OpaqueType(ty_id, ..), TyKind::OpaqueType(ty_id2, ..)) => ty_id == ty_id2,
-            (TyKind::AssociatedType(ty_id, ..), TyKind::AssociatedType(ty_id2, ..)) => {
-                ty_id == ty_id2
-            }
-            (TyKind::Foreign(ty_id, ..), TyKind::Foreign(ty_id2, ..)) => ty_id == ty_id2,
-            (TyKind::Closure(id1, _), TyKind::Closure(id2, _)) => id1 == id2,
-            (TyKind::Ref(mutability, ..), TyKind::Ref(mutability2, ..))
-            | (TyKind::Raw(mutability, ..), TyKind::Raw(mutability2, ..)) => {
-                mutability == mutability2
-            }
-            (
-                TyKind::Function(FnPointer { num_binders, sig, .. }),
-                TyKind::Function(FnPointer { num_binders: num_binders2, sig: sig2, .. }),
-            ) => num_binders == num_binders2 && sig == sig2,
-            (TyKind::Tuple(cardinality, _), TyKind::Tuple(cardinality2, _)) => {
-                cardinality == cardinality2
-            }
-            (TyKind::Str, TyKind::Str) | (TyKind::Never, TyKind::Never) => true,
-            (TyKind::Scalar(scalar), TyKind::Scalar(scalar2)) => scalar == scalar2,
-            _ => false,
-        }
-    }
-}
+impl Ty {}
 
 #[derive(Copy, Clone, PartialEq, Eq, Debug, Hash)]
 pub enum ImplTraitId {