| error[E0658]: use of unstable library feature `deref_patterns`: placeholder syntax for deref patterns |
| --> $DIR/needs-gate.rs:5:9 |
| | |
| LL | deref!(0) => {} |
| | ^^^^^ |
| | |
| = note: see issue #87121 <https://github.com/rust-lang/rust/issues/87121> for more information |
| = help: add `#![feature(deref_patterns)]` 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| = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date |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[E0308]: mismatched types |
| --> $DIR/needs-gate.rs:11:9 |
| | |
| LL | match Box::new(0) { |
| | ----------- this expression has type `Box<{integer}>` |
| LL | 0 => {} |
| | ^ expected `Box<{integer}>`, found integer |
| | |
| = note: expected struct `Box<{integer}>` |
| found type `{integer}` |
| help: consider dereferencing to access the inner value using the Deref trait |
| | |
| LL | match *Box::new(0) { |
| | + |
| |
| error: aborting due to 2 previous errors |
| |
| Some errors have detailed explanations: E0308, E0658. |
| For more information about an error, try `rustc --explain E0308`. |
