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Diffstat (limited to 'Doc/whatsnew/whatsnew25.tex')
| -rw-r--r-- | Doc/whatsnew/whatsnew25.tex | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/Doc/whatsnew/whatsnew25.tex b/Doc/whatsnew/whatsnew25.tex index bdcc05e..869eb58 100644 --- a/Doc/whatsnew/whatsnew25.tex +++ b/Doc/whatsnew/whatsnew25.tex @@ -28,7 +28,28 @@ rationale, refer to the PEP for a particular new feature. %====================================================================== \section{PEP 309: Partial Function Application} -XXX describe this PEP. +For programs written in a functional style, it can be useful to +construct variants of existing functions that have some of the +parameters filled in. This is called ``partial function application''. +The new \module{functional} module contains a \class{partial} class +that provides partial application. + +The \module{functional} module is intended to contain tools for +functional-style programming. Currently it only contains +\class{partial}, but new functions will probably be added in future +versions of Python. + +% XXX write rest of this +% XXX add example from my GTk programming + + +\begin{seealso} + +\seepep{309}{Partial Function Application}{PEP proposed and written by +Peter Harris; implemented by Hye-Shik Chang, with adaptations by +Raymond Hettinger.} + +\end{seealso} %====================================================================== |