diff options
Diffstat (limited to 'src/test/ui/async-await/in-trait/async-example-desugared-boxed-in-trait.rs')
-rw-r--r-- | src/test/ui/async-await/in-trait/async-example-desugared-boxed-in-trait.rs | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/test/ui/async-await/in-trait/async-example-desugared-boxed-in-trait.rs b/src/test/ui/async-await/in-trait/async-example-desugared-boxed-in-trait.rs new file mode 100644 index 000000000..38ba29718 --- /dev/null +++ b/src/test/ui/async-await/in-trait/async-example-desugared-boxed-in-trait.rs @@ -0,0 +1,21 @@ +// edition: 2021 + +#![feature(async_fn_in_trait)] +#![feature(return_position_impl_trait_in_trait)] +#![allow(incomplete_features)] + +use std::future::Future; +use std::pin::Pin; + +trait MyTrait { + fn foo(&self) -> Pin<Box<dyn Future<Output = i32> + '_>>; +} + +impl MyTrait for i32 { + async fn foo(&self) -> i32 { + //~^ ERROR method `foo` has an incompatible type for trait + *self + } +} + +fn main() {} |