Add utility __pos__ and __neg__ operators to TypeVar #538
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This makes it easier to explicitly just use +/-T to make generics co/contra-variant.
mariusvniekerk
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Is this specified by PEP 484? Is it supported by mypy? IIRC we had a discussion about it and decided not to do this. Certainly there should be a discussion about this outside this PR. |
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Ah right i see in #211. I can close this. |
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We already include this in the
__repr__.This makes it easier to explicitly just use +/-T to make generics co/contra-variant.