| error: functions cannot be both `const` and `async` |
| --> $DIR/no-const-async.rs:4:5 |
| | |
| LL | pub const async fn x() {} |
| | ----^^^^^-^^^^^---------- |
| | | | |
| | | `async` because of this |
| | `const` because of this |
| |
| error[E0723]: `impl Trait` in const fn is unstable |
| --> $DIR/no-const-async.rs:4:24 |
| | |
| LL | pub const async fn x() {} |
| | ^ |
| | |
| = note: see issue #57563 <https://github.com/rust-lang/rust/issues/57563> for more information |
| = help: add `#![feature(const_fn)]` to the crate attributes to enable |
| |
| error: aborting due to 2 previous errors |
| |
| For more information about this error, try `rustc --explain E0723`. |