Version history¶

Fixes typing_extensions version resolution

Breaking: removes is_protocol boolean argument from .instance, now use protocol=YourProtocol instead

Adds support for concrete generic types like List[str] and Set[int] #24

Adds support for types that have __instancecheck__ defined via delegate argument #248

Adds support for multiple type arguments in Supports type #244

Fixes that types referenced in multiple typeclasses were not handling Supports properly #249

Fixes typing bug with ABC and mutable typeclass signature #259

Fixes that mypy plugin was failing on calling a typeclass without arguments #270

Breaking: drops python3.6 support

Breaking: now requires typing_extensions>=3.10 and mypy>=0.902

Breaking: now classes traverses mro of registered types and fallbacks to super-types if some type is not registered

Adds generic typeclasses

Adds caching to runtime type dispatch, it allows to call already resolved instances way faster

Adds better typeclass validation during mypy typechecking

Adds .supports() method to typeclass to check if some instance is supported in runtime

Makes .supports() a typeguard

Adds Supports type

Adds AssociatedType variadic type

Improves docs

Breaking: renames mypy typeclass_plugin to classes_plugin

Adds python3.9 support

Updates dependencies