An extension that adds `toShortString()` method to enums.

EnumToShortString.dart

/// Adds `toShortString()` method to [Enum].
extension EnumToShortString on Enum {
  /// Returns the string of the **value**.
  ///
  /// For example,
  /// ```dart
  /// var enum1 = MyEnum.val1;
  /// print(enum1.toString()); /// 'MyEnum.val1'
  /// print(enum1.toShortString()); /// 'val1'
  /// ```
  String toShortString() {
    return toString().split('.').last;
  }
}