Swiftでfizzbuzzの試み ref: http://qiita.com/toshi0383/items/e111fa8b172efac366cc

file0.swift

let fizz = "Fizz"
let buzz = "Buzz"

func getGenerator(num: Int, out:String) -> (Int -> String) {
    func getStr(targetNum:Int) -> String {
        if targetNum % num == 0 {
            return out
        } else {
            return ""
        }
    }
    return getStr
}
for i in 1..<101 {
    var result:String? = "";
    for s in [3,5] {
        var getStr = getGenerator(s, s == 3 ? fizz : buzz)
        result = result! + getStr(i)
    }
    if result != "" {
        println(result!)
    } else {
        println(i)
    }
}

file1.swift

let fizz = "Fizz"
let buzz = "Buzz"
func fizzbuzz(a:Int) {
    if (a % 15 == 0) {
        println(fizz + buzz)
    } else if (a % 5 == 0) {
        println(buzz)
    } else if (a % 3 == 0) {
        println(fizz)
    } else {
        println(a)
    }
}
var array = [Int]()
for i in 1..<100 {
    array.append(i);
}
array.map{ fizzbuzz($0) };