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Implement an analog of map_instance_to_supertype() for protocol supertypes #7431

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ilevkivskyi opened this issue Aug 30, 2019 · 0 comments
Open

Implement an analog of map_instance_to_supertype() for protocol supertypes #7431

ilevkivskyi opened this issue Aug 30, 2019 · 0 comments
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refactoring Changing mypy's internals topic-protocols

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@ilevkivskyi
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In certain situation (like e.g. when dealing with *args) we want to know what are the type arguments of a generic protocol that a given type implements. Currently this is done in ad-hoc way in few places, but it would be great to have a dedicated helper.

This will also help with some advanced issues like #3829
@ilevkivskyi ilevkivskyi added refactoring Changing mypy's internals topic-protocols labels Aug 30, 2019
@ilevkivskyi ilevkivskyi self-assigned this Aug 30, 2019
@ilevkivskyi ilevkivskyi removed their assignment Dec 9, 2019
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