| error[E0658]: const closures are experimental | |
| --> $DIR/gate.rs:3:6 | |
| | | |
| LL | (const || {})(); | |
| | ^^^^^^^^^^^ | |
| | | |
| = note: see issue #106003 <https://github.com/rust-lang/rust/issues/106003> for more information | |
| = help: add `#![feature(const_closures)]` to the crate attributes to enable | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0658`. |