error[E0381]: use of possibly-uninitialized variable: `x` | |
--> $DIR/borrowck-while.rs:4:12 | |
| | |
LL | return x; | |
| ^ use of possibly-uninitialized `x` | |
error: aborting due to previous error | |
For more information about this error, try `rustc --explain E0381`. |