1. Dart
2. dart:core
3. UnimplementedError
4. UnimplementedError constructor

##### UnimplementedError class

1. Constructors
2. UnimplementedError
3. Properties
4. message
5. hashCode
6. runtimeType
7. stackTrace
8. Methods
9. toString
10. noSuchMethod
11. Operators
12. operator ==

# UnimplementedError constructor

UnimplementedError([String message ])

## Implementation

    UnimplementedError([this.message]);