BasicFunctionalStringReverser.swift

func reverseAndRepeatString(stringToReverse: String, numberOfReverses: Int) {
	transformString(stringToReverse, transformation: { (stringToTransform) -> String in
		let reversedString = String(stringToTransform.characters.reverse())
		var reversed = ""
		for _ in 1...numberOfReverses {
			reversed += reversedString
		}
		return reversed
	})
}

func transformString(stringToTransform: String, transformation: (String) -> String) -> String {
	return transformation(stringToTransform)
}