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488 B
488 B
Binary operations on classes
Union of two classes
Unioning two classes via the | operator is only available in Python 3.10 and later.
[environment]
python-version = "3.10"
class A: ...
class B: ...
reveal_type(A | B) # revealed: UnionType
Union of two classes (prior to 3.10)
class A: ...
class B: ...
# error: "Operator `|` is unsupported between objects of type `<class 'A'>` and `<class 'B'>`"
reveal_type(A | B) # revealed: Unknown