diff options
Diffstat (limited to 'Doc/ref/ref3.tex')
| -rw-r--r-- | Doc/ref/ref3.tex | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/Doc/ref/ref3.tex b/Doc/ref/ref3.tex index 83277f4..7eddfcd 100644 --- a/Doc/ref/ref3.tex +++ b/Doc/ref/ref3.tex @@ -1313,13 +1313,13 @@ of that object]{2.5} \withsubitem{(object method)}{\ttindex{__cmp__()}} \end{methoddesc} -\begin{methoddesc}[object]{__nonzero__}{self} +\begin{methoddesc}[object]{__bool__}{self} Called to implement truth value testing, and the built-in operation -\code{bool()}; should return \code{False} or \code{True}, or their -integer equivalents \code{0} or \code{1}. +\code{bool()}; should return \code{False} or \code{True}. When this method is not defined, \method{__len__()} is -called, if it is defined (see below). If a class defines neither -\method{__len__()} nor \method{__nonzero__()}, all its instances are +called, if it is defined (see below) and \code{True} is returned when +the length is not zero. If a class defines neither +\method{__len__()} nor \method{__bool__()}, all its instances are considered true. \withsubitem{(mapping object method)}{\ttindex{__len__()}} \end{methoddesc} @@ -1693,9 +1693,9 @@ through the values. Called to implement the built-in function \function{len()}\bifuncindex{len}. Should return the length of the object, an integer \code{>=} 0. Also, an object that doesn't define a -\method{__nonzero__()} method and whose \method{__len__()} method +\method{__bool__()} method and whose \method{__len__()} method returns zero is considered to be false in a Boolean context. -\withsubitem{(object method)}{\ttindex{__nonzero__()}} +\withsubitem{(object method)}{\ttindex{__bool__()}} \end{methoddesc} \begin{methoddesc}[container object]{__getitem__}{self, key} |