[issue45489] ForwardRef does not support | operator
Dong-hee Na
report at bugs.python.org
Sat Oct 16 09:43:34 EDT 2021
Dong-hee Na <donghee.na at python.org> added the comment:
--- a/Lib/typing.py
+++ b/Lib/typing.py
@@ -719,6 +719,12 @@ def __eq__(self, other):
def __hash__(self):
return hash(self.__forward_arg__)
+ def __or__(self, other):
+ return Union[self, other]
+
+ def __ror__(self, other):
+ return Union[other, self]
+
def __repr__(self):
return f'ForwardRef({self.__forward_arg__!r})'
This can be easily fixed, but I am waiting for guido and ken to check whether this is an intentioned operation.
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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue45489>
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