Impl HasInterner for IndexSet

pierwill · pierwill · commit 53003644a803 · 2021-12-15T16:34:20.000-06:00
diff --git a/chalk-ir/Cargo.toml b/chalk-ir/Cargo.toml
@@ -13,3 +13,4 @@ edition = "2018"
 lazy_static = "1.4.0"
 bitflags = "1.2.1"
 chalk-derive = { version = "0.76.0-dev.0", path = "../chalk-derive" }
+indexmap = "1.7.0"
diff --git a/chalk-ir/src/interner.rs b/chalk-ir/src/interner.rs
@@ -665,6 +665,10 @@ pub trait HasInterner {
     type Interner: Interner;
 }
 
+impl<T: HasInterner> HasInterner for indexmap::IndexSet<T> {
+    type Interner = T::Interner;
+}
+
 impl<T: HasInterner> HasInterner for [T] {
     type Interner = T::Interner;
 }

Original file line number	Diff line number	Diff line change
`@@ -665,6 +665,10 @@ pub trait HasInterner {`
`665`	`665`	`type Interner: Interner;`
`666`	`666`	`}`
`667`	`667`
	`668`	`+impl<T: HasInterner> HasInterner for indexmap::IndexSet<T> {`
	`669`	`+ type Interner = T::Interner;`
	`670`	`+}`
	`671`	`+`
`668`	`672`	`impl<T: HasInterner> HasInterner for [T] {`
`669`	`673`	`type Interner = T::Interner;`
`670`	`674`	`}`