import Foundation

precedencegroup PowerPrecedence { higherThan: MultiplicationPrecedence }
infix operator ^^ : PowerPrecedence
func ^^ (radix: Int, power: Int) -> Int {
    switch power {
    case Int.min..<0:
        return 0
    case 0:
        return 1
    case 1:
        return radix
    default:
        var result = radix
        for _ in 1..<power {
            result *= radix
        }
        return result
    }
}