けさ書いたゾロ目判定処理。もうちょっとうまく書けたりするかな #CodePiece

CodePiece.swift

func isZorome(number:Int) -> Bool {

        let numString = String(number)

        guard numString.characters.count > 1, let first = numString.characters.first else {
            return false
        }

        let bools = numString.characters.map { $0 == first }.reduce(true) { (a, b) -> Bool in
            a&&b
        }
        
        return bools
    }