Mirror
/
cpython
mirror of https://github.com/python/cpython
4
1
Fork 0
Code Issues Releases Wiki Activity

Barry's patch to document the new setdefault() method. Slightly 

clarified the summary for default() in the table to indicate the side
effect.
This commit is contained in:
Guido van Rossum 2000-08-08 16:15:49 +00:00
parent 79c9b17d17
commit 8141cf5c76
1 changed files with 8 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
Doc/lib/libstdtypes.tex
View File

@ -591,6 +591,10 @@ arbitrary objects):
{\code{\var{a}[\var{k}]} if \code{\var{a}.has_key(\var{k})},
else \var{x}}
{(4)}
\lineiii{\var{a}.setdefault(\var{k}\optional{, \var{x}})}
{\code{\var{a}[\var{k}]} if \code{\var{a}.has_key(\var{k})},
else \var{x} (also setting it)}
{(5)}
\end{tableiii}
\noindent
@ -611,6 +615,10 @@ correspond. This allows the creation of \code{(\var{value},
\item[(4)] Never raises an exception if \var{k} is not in the map,
instead it returns \var{x}. \var{x} is optional; when \var{x} is not
provided and \var{k} is not in the map, \code{None} is returned.
\item[(5)] \function{setdefault()} is like \function{get()}, except
that if \var{k} is missing, \var{x} is both returned and inserted into
the dictionary as the value of \var{k}.
\end{description}