error[E0658]: box pattern syntax is experimental | |
--> $DIR/feature-gate-box_patterns.rs:2:9 | |
| | |
LL | let box x = Box::new('c'); | |
| ^^^^^ | |
| | |
= note: for more information, see https://github.com/rust-lang/rust/issues/29641 | |
= help: add `#![feature(box_patterns)]` to the crate attributes to enable | |
error: aborting due to previous error | |
For more information about this error, try `rustc --explain E0658`. |