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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/functions-closures/copy-closure.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/functions-closures/copy-closure.rs')
-rw-r--r-- | src/test/ui/functions-closures/copy-closure.rs | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/test/ui/functions-closures/copy-closure.rs b/src/test/ui/functions-closures/copy-closure.rs new file mode 100644 index 000000000..72da02421 --- /dev/null +++ b/src/test/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)); +} |