diff options
Diffstat (limited to 'src/test/ui/async-await/in-trait/async-recursive.rs')
-rw-r--r-- | src/test/ui/async-await/in-trait/async-recursive.rs | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/test/ui/async-await/in-trait/async-recursive.rs b/src/test/ui/async-await/in-trait/async-recursive.rs new file mode 100644 index 000000000..61119f809 --- /dev/null +++ b/src/test/ui/async-await/in-trait/async-recursive.rs @@ -0,0 +1,21 @@ +// edition: 2021 + +#![feature(async_fn_in_trait)] +#![allow(incomplete_features)] + +trait MyTrait { + async fn foo_recursive(&self, n: usize) -> i32; +} + +impl MyTrait for i32 { + async fn foo_recursive(&self, n: usize) -> i32 { + //~^ ERROR recursion in an `async fn` requires boxing + if n > 0 { + self.foo_recursive(n - 1).await + } else { + *self + } + } +} + +fn main() {} |