FizzBuzz.swift

extension String {
    func Contains(find: String) -> Bool{
       return self.rangeOfString(find) != nil
     }
}

extension Int{ 
    func IsMultipleOf(divisableBy: Int) -> Bool{
    return self % divisableBy == 0
    }
}

func stage1(){
     for index in 1...100{
        if index.IsMultipleOf(3) && index.IsMultipleOf(5)
        {
            println("FizzBuzz")
        }
          else if index.IsMultipleOf(3)
        {
            println("Fizz")
        }
        else if index.IsMultipleOf(5)
        {
            println("Buzz")
        }
        else
        {
            println("\(index)")
        }
    }
    println("END STAGE 1\n")
}

func stage2(){
    for index in 1...100{
        if index.IsMultipleOf(3) && index.IsMultipleOf(5) || String(index).Contains("3") && String(index).Contains("5")
        {
            println("FizzBuzz")
        }
          else if index.IsMultipleOf(3) || String(index).Contains("3")
        {
            println("Fizz")
        }
        else if index.IsMultipleOf(5) || String(index).Contains("5")
        {
            println("Buzz")
        }
        else
        {
            println("\(index)")
        }
    }
    println("END STAGE 2")
}
stage1()
stage2()