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Diffstat (limited to '')
-rw-r--r-- | tests/ui/async-await/future-sizes/future-as-arg.rs | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/tests/ui/async-await/future-sizes/future-as-arg.rs b/tests/ui/async-await/future-sizes/future-as-arg.rs new file mode 100644 index 000000000..93c69b052 --- /dev/null +++ b/tests/ui/async-await/future-sizes/future-as-arg.rs @@ -0,0 +1,16 @@ +// edition: 2021 +// run-pass + +async fn test(_arg: [u8; 16]) {} + +async fn use_future(fut: impl std::future::Future<Output = ()>) { + fut.await +} + +fn main() { + let actual = std::mem::size_of_val( + &use_future(use_future(use_future(use_future(use_future(test([0; 16]))))))); + // Not using an exact number in case it slightly changes over different commits + let expected = 550; + assert!(actual > expected, "expected: >{expected}, actual: {actual}"); +} |