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| -rw-r--r-- | Doc/whatsnew/whatsnew26.tex | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/Doc/whatsnew/whatsnew26.tex b/Doc/whatsnew/whatsnew26.tex index fe0a6dd..d341155 100644 --- a/Doc/whatsnew/whatsnew26.tex +++ b/Doc/whatsnew/whatsnew26.tex @@ -76,6 +76,22 @@ details. \begin{itemize} +\item New data type in the \module{collections} module: +\class{NamedTuple(\var{typename}, \var{fieldnames})} is a factory function that +creates subclasses of the standard tuple whose fields are accessible +by name as well as index. For example: + +\begin{verbatim} +var_type = collections.NamedTuple('variable', + 'id name type size') +var = var_type(1, 'frequency', 'int', 4) + +print var[0], var.id # Equivalent +print var[2], var.type # Equivalent +\end{verbatim} + +(Contributed by Raymond Hettinger.) + \item New function in the \module{heapq} module: \function{merge(iter1, iter2, ...)} takes any number of iterables that return data |