IntermediateFunctionalStringReverser.swift

func reverseAndRepeatString(stringToReverse: String, numberOfReverses: Int) -> String {
	let reversed = transformString(stringToReverse, transformation: { String($0.characters.reverse()) })
	return transformString(reversed, transformation: {
		var repeated = ""
		for _ in 1...numberOfReverses {
			repeated += $0
		}
		return repeated
	})
}

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