Ken Jin <[email protected]> added the comment:
This issue is now out of date on. After Serhiy's refactoring, any function
types can be unioned.
>>> NewType('x', int)
>>> int | NewType('x', int)
int | typing.NewType.<locals>.new_type
The only problem now is that the repr is weird, but Serhiy also has a fix for
that in issue34963 (PR 9951) without converting to a class.
Thus, I am closing the issue. Please go to issue44642 for a general discussion
on whether union should support arbitrary functions at all, or issue34963 for
the repr problem. Thanks all!
----------
resolution: -> out of date
stage: patch review -> resolved
status: open -> closed
superseder: -> Union of a type and the typing module function
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<https://bugs.python.org/issue44353>
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