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Andrew M. Kuchling 2004-02-09 13:23:34 +00:00
parent 8178a22e20
commit fd0e494c98
1 changed files with 7 additions and 6 deletions
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Doc/whatsnew/whatsnew24.tex
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@ -322,10 +322,11 @@ euc-jisx0213, iso-2022-jp, iso-2022-jp-1, iso-2022-jp-2,
\item Korean: cp949, euc-kr, johab, iso-2022-kr
\end{itemize}
\item There is a new \module{collections} module which currently offers
just one new datatype, \class{deque}, which offers high-performance,
thread-safe, memory friendly appends and pops on either side of the
deque resulting in efficient stacks and queues:
\item There is a new \module{collections} module for
various specialized collection datatypes.
Currently it contains just one type, \class{deque},
a double-ended queue that supports efficiently adding and removing
elements from either end.
\begin{verbatim}
>>> from collections import deque
@ -344,12 +345,12 @@ deque(['f', 'g', 'h', 'i', 'j'])
True
\end{verbatim}
Several modules now take advantage of \class{collections.deque()} for
Several modules now take advantage of \class{collections.deque} for
improved performance: \module{Queue}, \module{mutex}, \module{shlex}
\module{threading}, and \module{pydoc}.
\item The \module{heapq} module has been converted to C. The resulting
ten-fold improvement in speed makes the module suitable for handling
tenfold improvement in speed makes the module suitable for handling
high volumes of data.
\item The \module{imaplib} module now supports IMAP's THREAD command.