rust/src/test/ui/async-await/feature-async-closure.stderr
Andy Weiss 5b475a4618 Suggest async {} for async || {}
Fixes #76011

This adds support for adding help diagnostics to the feature gating checks and
then uses it for the async_closure gate to add the extra bit of help
information as described in the issue.
2020-09-22 13:22:10 -07:00

14 lines
491 B
Plaintext

error[E0658]: async closures are unstable
--> $DIR/feature-async-closure.rs:5:13
|
LL | let _ = async || {};
| ^^^^^
|
= note: see issue #62290 <https://github.com/rust-lang/rust/issues/62290> for more information
= help: add `#![feature(async_closure)]` to the crate attributes to enable
= help: to use an async block, remove the `||`: `async {`
error: aborting due to previous error
For more information about this error, try `rustc --explain E0658`.