fn main() { 1 + 1 - 1 * 1 / 1 % 1 | 1 & 1 ! 1 ^ 1 >> 1 << 1; let mut a = 0; a += 1; a -= 1; a *= 1; a /= 1; a %= 1; a |= 1; a &= 1; a ^= 1; a >>= 1; a <<= 1; }