Skip to main content

New site for Dart news and articles

For the latest Dart news, visit our new blog at  https://medium.com/dartlang .

Breaking Change: NotImplementedException is UnimplementedError

More exception class names are changing, this time NotImplementedException is changing to UnimplementedError.

Lasse Nielsen writes:

We have changed the name of NotImplementedException to UnimplementedError.
For a short while, the old name still works, and the constructor is still const, but that will all go away. 
We will likely change some (or all, time will tell) of the thrown UnimplementedError to UnsupportedError for the cases where we don't ever intend for the class to support that operation.
As always, we invite you to join our Dart mailing list, ask questions on Stack Overflow, or file feature requests on dartbug.com.