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-rw-r--r--src/test/ui/closures/once-move-out-on-heap.rs18
1 files changed, 18 insertions, 0 deletions
diff --git a/src/test/ui/closures/once-move-out-on-heap.rs b/src/test/ui/closures/once-move-out-on-heap.rs
new file mode 100644
index 000000000..4e2e400ce
--- /dev/null
+++ b/src/test/ui/closures/once-move-out-on-heap.rs
@@ -0,0 +1,18 @@
+// run-pass
+// Testing guarantees provided by once functions.
+
+
+
+use std::sync::Arc;
+
+fn foo<F:FnOnce()>(blk: F) {
+ blk();
+}
+
+pub fn main() {
+ let x = Arc::new(true);
+ foo(move|| {
+ assert!(*x);
+ drop(x);
+ });
+}