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-rw-r--r--src/test/ui/expr-if-generic.rs29
1 files changed, 29 insertions, 0 deletions
diff --git a/src/test/ui/expr-if-generic.rs b/src/test/ui/expr-if-generic.rs
new file mode 100644
index 000000000..32ed6d9be
--- /dev/null
+++ b/src/test/ui/expr-if-generic.rs
@@ -0,0 +1,29 @@
+// run-pass
+
+fn test_generic<T, F>(expected: T, not_expected: T, eq: F) where
+ T: Clone,
+ F: FnOnce(T, T) -> bool,
+{
+ let actual: T = if true { expected.clone() } else { not_expected };
+ assert!(eq(expected, actual));
+}
+
+fn test_bool() {
+ fn compare_bool(b1: bool, b2: bool) -> bool { return b1 == b2; }
+ test_generic::<bool, _>(true, false, compare_bool);
+}
+
+#[derive(Clone)]
+struct Pair {
+ a: isize,
+ b: isize,
+}
+
+fn test_rec() {
+ fn compare_rec(t1: Pair, t2: Pair) -> bool {
+ t1.a == t2.a && t1.b == t2.b
+ }
+ test_generic::<Pair, _>(Pair{a: 1, b: 2}, Pair{a: 2, b: 3}, compare_rec);
+}
+
+pub fn main() { test_bool(); test_rec(); }