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-rw-r--r--tests/ui/generics/generic-fn.rs28
1 files changed, 28 insertions, 0 deletions
diff --git a/tests/ui/generics/generic-fn.rs b/tests/ui/generics/generic-fn.rs
new file mode 100644
index 000000000..8038fabc1
--- /dev/null
+++ b/tests/ui/generics/generic-fn.rs
@@ -0,0 +1,28 @@
+// run-pass
+#![allow(dead_code)]
+#![allow(unused_assignments)]
+
+fn id<T>(x: T) -> T { return x; }
+
+#[derive(Copy, Clone)]
+struct Triple {x: isize, y: isize, z: isize}
+
+pub fn main() {
+ let mut x = 62;
+ let mut y = 63;
+ let a = 'a';
+ let mut b = 'b';
+ let p: Triple = Triple {x: 65, y: 66, z: 67};
+ let mut q: Triple = Triple {x: 68, y: 69, z: 70};
+ y = id::<isize>(x);
+ println!("{}", y);
+ assert_eq!(x, y);
+ b = id::<char>(a);
+ println!("{}", b);
+ assert_eq!(a, b);
+ q = id::<Triple>(p);
+ x = p.z;
+ y = q.z;
+ println!("{}", y);
+ assert_eq!(x, y);
+}