swift "Backslash" how to use it : there are some code:


let noteNamesWithSharps = ["C", "C♯", "D", "D♯", "E", "F", "F♯", "G", "G♯", "A", "A♯", "B"]

let randomIndex = Int(arc4random_uniform(UInt32(noteNamesWithSharps.count)))

lhsinterval.text = "Backslash(noteNamesWithSharps[randomIndex])"

i am a beginner to learn swift, Backslash in swift is use for what?

thanks a lot 