Take a count of digit in any number

number_extension.dart

extension NumberExtension on num {
  /// This method is used to take the first [count] digits of the number.
  ///
  /// if the number is 59342394234 and [count] is 2, the result will be 59.
  /// number less than [count] will return 0.
  num takeDigits(int count) {
    final value = toString();
    final isValueLengthValid = value.length >= count;
    if (!isValueLengthValid) return 0;
    return num.parse(value.substring(0, count));
  }
}