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Document new behavior of isinstance() when using a type object.

This commit is contained in:
Guido van Rossum 1997-12-02 19:15:01 +00:00
parent f5dd914196
commit 3593e5c4c3
2 changed files with 10 additions and 6 deletions
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8
Doc/lib/libfuncs.tex
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@ -308,9 +308,11 @@ module from which it is called).
\begin{funcdesc}{isinstance}{object, class} \begin{funcdesc}{isinstance}{object, class}
Return true if the \var{object} argument is an instance of the Return true if the \var{object} argument is an instance of the
\var{class} argument, or of a (direct or indirect) subclass thereof. \var{class} argument, or of a (direct or indirect) subclass thereof.
If \var{object} is not a class instance, the function always returns Also return true if \var{class} is a type object and \var{object} is
false. If \var{class} is not a class object, a \code{TypeError} an object of that type. If \var{object} is not a class instance or a
exception is raised. object of the given type, the function always returns false. If
\var{class} is neither a class object nor a type object, a
\code{TypeError} exception is raised.
\end{funcdesc} \end{funcdesc}
\begin{funcdesc}{issubclass}{class1, class2} \begin{funcdesc}{issubclass}{class1, class2}

8
Doc/libfuncs.tex
View File

@ -308,9 +308,11 @@ module from which it is called).
\begin{funcdesc}{isinstance}{object, class} \begin{funcdesc}{isinstance}{object, class}
Return true if the \var{object} argument is an instance of the Return true if the \var{object} argument is an instance of the
\var{class} argument, or of a (direct or indirect) subclass thereof. \var{class} argument, or of a (direct or indirect) subclass thereof.
If \var{object} is not a class instance, the function always returns Also return true if \var{class} is a type object and \var{object} is
false. If \var{class} is not a class object, a \code{TypeError} an object of that type. If \var{object} is not a class instance or a
exception is raised. object of the given type, the function always returns false. If
\var{class} is neither a class object nor a type object, a
\code{TypeError} exception is raised.
\end{funcdesc} \end{funcdesc}
\begin{funcdesc}{issubclass}{class1, class2} \begin{funcdesc}{issubclass}{class1, class2}