From 6925c578a0e3cbb00858e64da813a7ffe79623c4 Mon Sep 17 00:00:00 2001 From: Tomas R Date: Mon, 7 Aug 2023 12:41:39 +0200 Subject: [PATCH] gh-107442: Document all valid types for ctypes _as_parameter_ (#107443) --- Doc/library/ctypes.rst | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/Doc/library/ctypes.rst b/Doc/library/ctypes.rst index ec4b0909181d32..fcf711efe0eb7d 100644 --- a/Doc/library/ctypes.rst +++ b/Doc/library/ctypes.rst @@ -401,9 +401,10 @@ Calling functions with your own custom data types ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ You can also customize :mod:`ctypes` argument conversion to allow instances of -your own classes be used as function arguments. :mod:`ctypes` looks for an -:attr:`!_as_parameter_` attribute and uses this as the function argument. Of -course, it must be one of integer, string, or bytes:: +your own classes be used as function arguments. :mod:`ctypes` looks for an +:attr:`!_as_parameter_` attribute and uses this as the function argument. The +attribute must be an integer, string, bytes, a :mod:`ctypes` instance, or an +object with an :attr:`!_as_parameter_` attribute:: >>> class Bottles: ... def __init__(self, number):