error[E0658]: coroutine syntax is experimental | |
--> $DIR/static-closure-unexpanded.rs:6:13 | |
| | |
LL | let _ = static || {}; | |
| ^^^^^^ | |
| | |
= note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information | |
= help: add `#![feature(coroutines)]` to the crate attributes to enable | |
= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date | |
error: aborting due to 1 previous error | |
For more information about this error, try `rustc --explain E0658`. |