Python Programming Learning Circle
Oct 18, 2024 · Fundamentals
New Typing Features in Python 3.13: ReadOnly, @warnings.deprecated, TypeIs, is_protocol, get_protocol_members, Default Types, NoDefault and Performance Improvements
Python 3.13 introduces several typing enhancements—including a ReadOnly type for TypedDict, a @warnings.deprecated decorator, the TypeIs narrowing helper, is_protocol and get_protocol_members utilities, default type support for TypeVar/ParamSpec/TypeVarTuple, the NoDefault sentinel, and notable performance gains by removing legacy typing namespaces.
PythonPython3.13ReadOnly
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