about summary refs log tree commit diff
path: root/tests/ui/traits/multidispatch2.rs
diff options
context:
space:
mode:
Diffstat (limited to 'tests/ui/traits/multidispatch2.rs')
-rw-r--r--tests/ui/traits/multidispatch2.rs39
1 files changed, 39 insertions, 0 deletions
diff --git a/tests/ui/traits/multidispatch2.rs b/tests/ui/traits/multidispatch2.rs
new file mode 100644
index 00000000000..20608aabb3b
--- /dev/null
+++ b/tests/ui/traits/multidispatch2.rs
@@ -0,0 +1,39 @@
+// run-pass
+
+use std::fmt::Debug;
+use std::default::Default;
+
+trait MyTrait<T> {
+    fn get(&self) -> T;
+}
+
+impl<T> MyTrait<T> for T
+    where T : Default
+{
+    fn get(&self) -> T {
+        Default::default()
+    }
+}
+
+#[derive(Copy, Clone)]
+struct MyType {
+    dummy: usize
+}
+
+impl MyTrait<usize> for MyType {
+    fn get(&self) -> usize { self.dummy }
+}
+
+fn test_eq<T,M>(m: M, v: T)
+where T : Eq + Debug,
+      M : MyTrait<T>
+{
+    assert_eq!(m.get(), v);
+}
+
+pub fn main() {
+    test_eq(22_usize, 0_usize);
+
+    let value = MyType { dummy: 256 + 22 };
+    test_eq(value, value.dummy);
+}