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| -rw-r--r-- | Doc/library/typing.rst | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/Doc/library/typing.rst b/Doc/library/typing.rst index 0fee782121b..19b4081c993 100644 --- a/Doc/library/typing.rst +++ b/Doc/library/typing.rst @@ -2551,15 +2551,20 @@ types. This functional syntax allows defining keys which are not valid :ref:`identifiers <identifiers>`, for example because they are - keywords or contain hyphens:: + keywords or contain hyphens, or when key names must not be + :ref:`mangled <private-name-mangling>` like regular private names:: # raises SyntaxError class Point2D(TypedDict): in: int # 'in' is a keyword x-y: int # name with hyphens + class Definition(TypedDict): + __schema: str # mangled to `_Definition__schema` + # OK, functional syntax Point2D = TypedDict('Point2D', {'in': int, 'x-y': int}) + Definition = TypedDict('Definition', {'__schema': str}) # not mangled By default, all keys must be present in a ``TypedDict``. It is possible to mark individual keys as non-required using :data:`NotRequired`:: |