| error[E0282]: type annotations needed for `[_; 3]` | |
| --> $DIR/slice-patterns-irrefutable.rs:43:9 | |
| | | |
| LL | let b; | |
| | ^ | |
| LL | | |
| LL | [a, b] = Default::default(); | |
| | - type must be known at this point | |
| | | |
| help: consider giving `b` an explicit type, where the placeholders `_` are specified | |
| | | |
| LL | let b: [_; 3]; | |
| | ++++++++ | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0282`. |