8000 Mention in the Any documentation how object is preferable by wyattscarpenter · Pull Request #19103 · python/mypy · GitHub
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Mention in the Any documentation how object is preferable #19103

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3 changes: 2 additions & 1 deletion docs/source/dynamic_typing.rst
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Original file line number Diff line number Diff line change
@@ -1,6 +1,5 @@
.. _dynamic-typing:


Dynamically typed code
======================

Expand Down Expand Up @@ -94,6 +93,8 @@ third party libraries that mypy does not know about. This is particularly the ca
when using the :option:`--ignore-missing-imports <mypy --ignore-missing-imports>`
flag. See :ref:`fix-missing-imports` for more information about this.

.. _any-vs-object:

Any vs. object
--------------

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5 changes: 4 additions & 1 deletion docs/source/kinds_of_types.rst
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Expand Up @@ -39,7 +39,10 @@ A value with the ``Any`` type is dynamically typed. Mypy doesn't know
anything about the possible runtime types of such value. Any
operations are permitted on the value, and the operations are only checked
at runtime. You can use ``Any`` as an "escape hatch" when you can't use
a more precise type for some reason.
a more precise type for some reason. This should not be confused with the
:py:class:`object` type, which also represents any value, but in a type-safe
way; it's almost always preferable to use ``object`` instead of ``Any``, if
you can do so without great difficulty — see :ref:`any-vs-object` for more.

``Any`` is compatible with every other type, and vice versa. You can freely
assign a value of type ``Any`` to a variable with a more precise type:
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