         case ISO8601 = "yyyy-MM-dd'T'HH:mm:ssZ"
     }
     
-    //MARK Custom parsers
+    //MARK:  Custom parsers
     public static func parse(_ format: String, _ date: String) -> Date? {
         let dateFormatter = DateFormatter()
         dateFormatter.dateFormat = format

        return date
    }
    
    //MARK Enum parsers
    public static func parse(_ format: Format, _ date: String) -> Date? {
        return parse(format.rawValue, date)
    }

    }
    

    //MARK: Formatters
    public func to(_ format: String) throws -> String {
        let dateFormatter = DateFormatter()
        dateFormatter.dateFormat = format
