/// <summary> if the current input starts with the given string, succeed and consumes all the characters until the end of line '\n character. /// It does not consume the end of line character. /// </summary> /// <param name="start">the start string. /// </param> /// <returns> the scanner. /// </returns> public static Scanner IsLineComment(string start) { return(IsPattern("line comment", Patterns.IsLineComment(start), start)); }