Include "instances of most classes" in a warning about mutable objects

freddrake · freddrake · commit 3a8fbe7eeca4 · 2003-06-18T17:14:29.000Z
as default values of function/method parameters.
diff --git a/Doc/tut/tut.tex b/Doc/tut/tut.tex
@@ -1388,8 +1388,9 @@ \subsection{Default Argument Values \label{defaultArgs}}
 
 \strong{Important warning:}  The default value is evaluated only once.
 This makes a difference when the default is a mutable object such as a
-list or dictionary.  For example, the following function accumulates
-the arguments passed to it on subsequent calls:
+list, dictionary, or instances of most classes.  For example, the
+following function accumulates the arguments passed to it on
+subsequent calls:
 
 \begin{verbatim}
 def f(a, L=[]):
