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-rw-r--r--tests/ui/box/unit/expr-block-generic-unique1.rs18
1 files changed, 18 insertions, 0 deletions
diff --git a/tests/ui/box/unit/expr-block-generic-unique1.rs b/tests/ui/box/unit/expr-block-generic-unique1.rs
new file mode 100644
index 000000000..14603a2c7
--- /dev/null
+++ b/tests/ui/box/unit/expr-block-generic-unique1.rs
@@ -0,0 +1,18 @@
+// run-pass
+#![allow(unused_braces)]
+
+fn test_generic<T, F>(expected: Box<T>, eq: F) where T: Clone, F: FnOnce(Box<T>, Box<T>) -> bool {
+ let actual: Box<T> = { expected.clone() };
+ assert!(eq(expected, actual));
+}
+
+fn test_box() {
+ fn compare_box(b1: Box<bool>, b2: Box<bool>) -> bool {
+ println!("{}", *b1);
+ println!("{}", *b2);
+ return *b1 == *b2;
+ }
+ test_generic::<bool, _>(Box::new(true), compare_box);
+}
+
+pub fn main() { test_box(); }