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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:13 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:13 +0000
commit218caa410aa38c29984be31a5229b9fa717560ee (patch)
treec54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/ui/functions-closures/copy-closure.rs
parentReleasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff)
downloadrustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz
rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/functions-closures/copy-closure.rs')
-rw-r--r--tests/ui/functions-closures/copy-closure.rs16
1 files changed, 16 insertions, 0 deletions
diff --git a/tests/ui/functions-closures/copy-closure.rs b/tests/ui/functions-closures/copy-closure.rs
new file mode 100644
index 000000000..72da02421
--- /dev/null
+++ b/tests/ui/functions-closures/copy-closure.rs
@@ -0,0 +1,16 @@
+// run-pass
+// Check that closures implement `Copy`.
+
+fn call<T, F: FnOnce() -> T>(f: F) -> T { f() }
+
+fn main() {
+ let a = 5;
+ let hello = || {
+ println!("Hello {}", a);
+ a
+ };
+
+ assert_eq!(5, call(hello.clone()));
+ assert_eq!(5, call(hello));
+ assert_eq!(5, call(hello));
+}