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-rw-r--r--tests/ui/generic-associated-types/pointer_family.rs34
1 files changed, 34 insertions, 0 deletions
diff --git a/tests/ui/generic-associated-types/pointer_family.rs b/tests/ui/generic-associated-types/pointer_family.rs
new file mode 100644
index 000000000..80827cd56
--- /dev/null
+++ b/tests/ui/generic-associated-types/pointer_family.rs
@@ -0,0 +1,34 @@
+// check-pass
+
+use std::rc::Rc;
+use std::sync::Arc;
+use std::ops::Deref;
+
+trait PointerFamily {
+ type Pointer<T>: Deref<Target = T>;
+ fn new<T>(value: T) -> Self::Pointer<T>;
+}
+
+struct ArcFamily;
+
+impl PointerFamily for ArcFamily {
+ type Pointer<T> = Arc<T>;
+ fn new<T>(value: T) -> Self::Pointer<T> {
+ Arc::new(value)
+ }
+}
+
+struct RcFamily;
+
+impl PointerFamily for RcFamily {
+ type Pointer<T> = Rc<T>;
+ fn new<T>(value: T) -> Self::Pointer<T> {
+ Rc::new(value)
+ }
+}
+
+struct Foo<P: PointerFamily> {
+ bar: P::Pointer<String>,
+}
+
+fn main() {}