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Sound Dart and strong mode

As of the 1.19 release, Dart supports an optional mode, called strong mode, that supports stronger static typing. Strong mode helps you find bugs sooner and contributes to making Dart a sound language.

To learn more about using strong mode to enable soundness, including the how, the why, and fixes for common problems you might encounter, see:
  • Sound Dart
    How and why to write sound Dart code, and how to use strong mode to enable soundness.
  • Sound Dart: FAQ
    A list of common questions for those who are interested in stronger static typing.
  • Sound Dart: Fixing Common Problems
    How to fix errors and warnings you may encounter when writing sound Dart code.