| error[E0381]: used binding `v` isn't initialized | |
| --> $DIR/borrowck-init-plus-equal.rs:3:9 | |
| | | |
| LL | let mut v: isize; | |
| | ----- binding declared here but left uninitialized | |
| LL | v = v + 1; | |
| | ^ `v` used here but it isn't initialized | |
| | | |
| help: consider assigning a value | |
| | | |
| LL | let mut v: isize = 42; | |
| | ++++ | |
| error: aborting due to 1 previous error | |
| For more information about this error, try `rustc --explain E0381`. |