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authorAndrew M. Kuchling <amk@amk.ca>2003-03-02 02:13:52 (GMT)
committerAndrew M. Kuchling <amk@amk.ca>2003-03-02 02:13:52 (GMT)
commit41c3e00851331d34682b8874c3bbe5d9b782333a (patch)
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Expand itertools paragraph
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-rw-r--r--Doc/whatsnew/whatsnew23.tex12
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@@ -1354,9 +1354,15 @@ sequence type. For example:
\item The \module{imaplib} module now supports IMAP over SSL.
(Contributed by Piers Lauder and Tino Lange.)
-\item The \ulink{\module{itertools}}{../lib/module-itertools.html}
-module provides several functions to support efficient looping using
-iterators.
+\item The \module{itertools} contains a number of useful functions for
+use with iterators, inspired by various functions provided by the ML
+and Haskell languages. For example,
+\code{itertools.ifilter(predicate, iterator)} returns all elements in
+the iterator for which the function \function{predicate()} returns
+\constant{True}, and \code{itertools.times(\var{N}, obj)} returns
+\code{obj} \var{N} times. There are a number of other functions in
+the module; see the \ulink{package's reference
+documentation}{../lib/module-itertools.html} for details.
\item Two new functions in the \module{math} module,
\function{degrees(\var{rads})} and \function{radians(\var{degs})},