Random Length Substrings

randomLengthSubstrings.swift

static let titleArray = "Youth Theme 2015: O YE THAT EMBARK IN THE SERVICE OF GOD".split(separator: " ")
    static let artistArray = "Elijah Thomas, Kyle Thorn, Maddie Wilson, Grayson O'Very, Anna Richey, Nick Neel, Baily Lawson".split(separator: ",")

    public func getRandomTitle() -> String {
        return getRandomLengthString(from: type(of: self).titleArray, separator: " ")
    }

    public func getRandomArtist() -> String {
        return getRandomLengthString(from: type(of: self).artistArray, separator: ",")
    }

    public func getRandomLengthString(from array: [String.SubSequence], separator: String) -> String {
        return array[0..<Int(arc4random_uniform(UInt32(array.count)))].joined(separator: separator)
    }