Mercurial > cpython-lru_cache-weakref
diff Doc/lib/libstdtypes.tex @ 24632:f6a97cd3ba24 2.2
Clarify that the bool instances are acceptable return values from
__nonzero__(), in response to SF bug #579991.
| author | Fred Drake <fdrake@acm.org> |
|---|---|
| date | Wed, 07 Aug 2002 15:41:31 +0000 |
| parents | 5b66e63d7abb |
| children | ecd4ada252bc |
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--- a/Doc/lib/libstdtypes.tex Tue Aug 06 22:39:30 2002 +0000 +++ b/Doc/lib/libstdtypes.tex Wed Aug 07 15:41:31 2002 +0000 @@ -28,7 +28,10 @@ \begin{itemize} \item \code{None} - \withsubitem{(Built-in object)}{\ttindex{None}} + \withsubitem{(Built-in object)}{\ttindex{None}} + +\item \code{False} + \withsubitem{(Built-in object)}{\ttindex{False}} \item zero of any numeric type, for example, \code{0}, \code{0L}, \code{0.0}, \code{0j}. @@ -38,8 +41,9 @@ \item any empty mapping, for example, \code{\{\}}. \item instances of user-defined classes, if the class defines a - \method{__nonzero__()} or \method{__len__()} method, when that - method returns the integer zero.\footnote{Additional + \method{__nonzero__()} or \method{__len__()} method, when that + method returns the integer zero or \class{bool} value + \code{False}.\footnote{Additional information on these special methods may be found in the \citetitle[../ref/ref.html]{Python Reference Manual}.}