Swift Logical XOR

Logical XOR.swift

infix operator ^^ { associativity left precedence 120 }

func ^^<T : BooleanType, U : BooleanType>(lhs: T, rhs: U) -> Bool {
    return lhs.boolValue != rhs.boolValue
}

// Example

false ^^ false // -> false
false ^^ true  // -> true
true ^^ false  // -> true
true ^^ true   // -> false

//Swift 3
precedencegroup BooleanPrecedence { associativity: left }
infix operator ^^ : BooleanPrecedence
/**
Swift Logical XOR operator

true  ^^ true   // false
true  ^^ false  // true
false ^^ true   // true
false ^^ false  // false

• parameter lhs: First value.
• parameter rhs: Second value.
  */
  func ^^(lhs: Bool, rhs: Bool) -> Bool {
  return lhs != rhs
  }