error[E0381]: used binding `x` isn't initialized | |
--> $DIR/borrowck-use-uninitialized-in-cast-trait.rs:11:13 | |
| | |
LL | let x: &i32; | |
| - binding declared here but left uninitialized | |
LL | let y = x as *const dyn Foo; | |
| ^ `*x` used here but it isn't initialized | |
| | |
help: consider assigning a value | |
| | |
LL | let x: &i32 = &42; | |
| +++++ | |
error: aborting due to 1 previous error | |
For more information about this error, try `rustc --explain E0381`. |