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| -rw-r--r-- | Doc/lib/libstdtypes.tex | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Doc/lib/libstdtypes.tex b/Doc/lib/libstdtypes.tex index 842b23ba08..3adfc6e4d9 100644 --- a/Doc/lib/libstdtypes.tex +++ b/Doc/lib/libstdtypes.tex @@ -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} |