[red-knot] Move `InstanceType` to its own submodule#17525

Merged

AlexWaygood merged 3 commits intomainfrom

alex/move-instancetype

Apr 22, 2025

Commits on Apr 22, 2025

Make the `class` field on `InstanceType` private. The only way to construct an instance of `InstanceType` is now through the `Type::instance()` method.
AlexWaygood
committed
Move `InstanceType` and `KnownInstanceType`s to new submodules, to improve encapsulation.
AlexWaygood
committed
further improve encapsulation of `InstanceType`
AlexWaygood
committed