| error[E0381]: used binding `e` isn't initialized | |
| --> $DIR/issue-62107-match-arm-scopes.rs:4:9 | |
| | | |
| LL | let e: i32; | |
| | - binding declared here but left uninitialized | |
| LL | match e { | |
| LL | ref u if true => {} | |
| | ^^^^^ `e` used here but it isn't initialized | |
| | | |
| help: consider assigning a value | |
| | | |
| LL | let e: i32 = 0; | |
| | +++ | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0381`. |