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Diffstat (limited to 'src/test/ui/regions/regions-early-bound-used-in-type-param.rs')
-rw-r--r--src/test/ui/regions/regions-early-bound-used-in-type-param.rs28
1 files changed, 28 insertions, 0 deletions
diff --git a/src/test/ui/regions/regions-early-bound-used-in-type-param.rs b/src/test/ui/regions/regions-early-bound-used-in-type-param.rs
new file mode 100644
index 000000000..d58c17ad9
--- /dev/null
+++ b/src/test/ui/regions/regions-early-bound-used-in-type-param.rs
@@ -0,0 +1,28 @@
+// run-pass
+// Tests that you can use a fn lifetime parameter as part of
+// the value for a type parameter in a bound.
+
+
+trait Get<T> {
+ fn get(&self) -> T;
+}
+
+#[derive(Copy, Clone)]
+struct Box<T> {
+ t: T
+}
+
+impl<T:Clone> Get<T> for Box<T> {
+ fn get(&self) -> T {
+ self.t.clone()
+ }
+}
+
+fn add<'a,G:Get<&'a isize>>(g1: G, g2: G) -> isize {
+ *g1.get() + *g2.get()
+}
+
+pub fn main() {
+ let b1 = Box { t: &3 };
+ assert_eq!(add(b1, b1), 6);
+}