rust/tests/ui/async-await/async-fn/edition-2015.rs
dianne d7d6238b23 use backticks instead of single quotes when reporting "use of unstable library feature"
This is consistent with all other diagnostics I could find containing
features and enables the use of `DiagSymbolList` for generalizing
diagnostics for unstable library features to multiple features.
2024-11-03 13:55:52 -08:00

10 lines
404 B
Rust

fn foo(x: impl async Fn()) -> impl async Fn() { x }
//~^ ERROR `async` trait bounds are only allowed in Rust 2018 or later
//~| ERROR `async` trait bounds are only allowed in Rust 2018 or later
//~| ERROR async closures are unstable
//~| ERROR async closures are unstable
//~| ERROR use of unstable library feature `async_closure`
//~| ERROR use of unstable library feature `async_closure`
fn main() {}