warning: value assigned to `x` is never read
--> prog.rs:2:7
|
2 | let x = 5;
| ^
|
= note: `#[warn(unused_assignments)]` on by default
= help: maybe it is overwritten before being read?
error[E0384]: cannot assign twice to immutable variable `x`
--> prog.rs:3:3
|
2 | let x = 5;
| -
| |
| first assignment to `x`
| help: consider making this binding mutable: `mut x`
3 | x = 10; // Error
| ^^^^^^ cannot assign twice to immutable variable
error: aborting due to previous error; 1 warning emitted
For more information about this error, try `rustc --explain E0384`.