fn main() {
    println!("{:?}", {
        let x = 0; if (x=1)==() { true } else { false }
    });
}


/* ~~~~=== stderr ===~~~~
   Compiling playground v0.0.1 (file:///playground)
warning: variable `x` is assigned to, but never used
 --> src/main.rs:5:13
  |
5 |         let x = 0; if (x=1)==() { true } else { false }
  |             ^
  |
  = note: #[warn(unused_variables)] on by default
  = note: consider using `_x` instead

warning: value assigned to `x` is never read
 --> src/main.rs:5:24
  |
5 |         let x = 0; if (x=1)==() { true } else { false }
  |                        ^
  |
  = note: #[warn(unused_assignments)] on by default

error[E0384]: cannot assign twice to immutable variable `x`
 --> src/main.rs:5:23
  |
5 |         let x = 0; if (x=1)==() { true } else { false }
  |             -         ^^^^^ cannot assign twice to immutable variable
  |             |
  |             first assignment to `x`

error: aborting due to previous error

For more information about this error, try `rustc --explain E0384`.
error: Could not compile `playground`.

To learn more, run the command again with --verbose.

*/

/* ~~~~=== stdout ===~~~~

*/