extension_type_unions 1.0.5

Simple union types using extension types. Types: the union of `int` and `String` is `Union2<int, String>`. Values: `42.u21` is `42` with type `Union2<int, Never>`.

1.0.5

• Add JSON example.

1.0.4

• Add DartDoc comments to JSON related declarations.

1.0.1

• Improve the description in pubspec.yaml.

1.0.0

• Initial version.