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-rw-r--r-- | Doc/library/typing.rst | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Doc/library/typing.rst b/Doc/library/typing.rst index 1a766c2..d2dd03d 100644 --- a/Doc/library/typing.rst +++ b/Doc/library/typing.rst @@ -1001,6 +1001,13 @@ The module defines the following classes, functions and decorators: .. versionadded:: 3.8 +.. class:: ForwardRef + + A class used for internal typing representation of string forward references. + For example, ``List["SomeClass"]`` is implicitly transformed into + ``List[ForwardRef("SomeClass")]``. This class should not be instantiated by + a user, but may be used by introspection tools. + .. function:: NewType(typ) A helper function to indicate a distinct types to a typechecker, |