a += (a + b)

object.a += object.a + b;

a -= a - b

a *= a * b

a *= b * a

a /= a / b

a %= a % b

a **= a ** b

a >>= a >> b

a <<= a << b

a >>>= a >>> b

a &= a & b

a &= b & a

a |= a | b

a |= b | a

a ^= a ^ b

a ^= b ^ a