From: Neil Schemenauer <nascheme@enme.ucalgary.ca>
Date: Thu, 4 Jan 2001 01:25:50 +0000 (+0000)
Subject: Document the NotImplemented object.
X-Git-Tag: v2.1a1~434
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=48c2eb9165baa370299c2707df2e0280345951e2;p=python

Document the NotImplemented object.
---

diff --git a/Doc/ref/ref3.tex b/Doc/ref/ref3.tex
index b8256c3e45..cd75d0c956 100644
--- a/Doc/ref/ref3.tex
+++ b/Doc/ref/ref3.tex
@@ -130,6 +130,15 @@ Its truth value is false.
 \ttindex{None}
 \obindex{None@{\texttt{None}}}
 
+\item[NotImplemented]
+This type has a single value.  There is a single object with this value.
+This object is accessed through the built-in name \code{NotImplemented}.
+Binary number methods may return this value if they do not implement the
+operation for the types of operands provided.  The interpreter will then
+try the reverse operation. Its truth value is true.
+\ttindex{NotImplemented}
+\obindex{NotImplemented@{\texttt{NotImplemented}}}
+
 \item[Ellipsis]
 This type has a single value.  There is a single object with this value.
 This object is accessed through the built-in name \code{Ellipsis}.