Serhiy Storchaka <storchaka+cpyt...@gmail.com> added the comment:
1.
def __or__(self, other):
return self.__class__(self.maps[0] | other, *self.maps[1:])
def __ror__(self, other):
return other | dict(self)
2.
def __or__(self, other):
return self.__class__(other, *self.maps)
def __ror__(self, other):
return self.__class__(*self.maps, other)
There are problems with both variants, so I think it may be better to not add
this operator to ChainMap.
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue36144>
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