rust/src/test/run-pass/u8-incr.rs

// -*- rust -*-
fn main() {
    let x: u8 = 12u8;
    let y: u8 = 12u8;
    x = x + 1u8;
    x = x - 1u8;
    assert (x == y);
    // x = 14u8;
    // x = x + 1u8;

}