mirror of https://github.com/rust-lang/rust
24 lines
637 B
Rust
24 lines
637 B
Rust
//@ edition: 2021
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async fn a() -> i32 {
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0
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}
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fn foo() -> _ {
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//~^ ERROR the placeholder `_` is not allowed within types on item signatures for return types [E0121]
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//~| NOTE not allowed in type signatures
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//~| HELP replace with an appropriate return type
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//~| SUGGESTION impl Future<Output = i32>
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a()
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}
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fn bar() -> _ {
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//~^ ERROR the placeholder `_` is not allowed within types on item signatures for return types [E0121]
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//~| NOTE not allowed in type signatures
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//~| HELP replace with an appropriate return type
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//~| SUGGESTION impl Future<Output = i32>
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async { a().await }
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}
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fn main() {}
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