# Applications and libraries/Extended Haskell

### From HaskellWiki

< Applications and libraries(Difference between revisions)

m (Libraries and tools/Extended Haskell moved to Applications and libraries/Extended Haskell) |
(removal of FRP section (since FRP it isn’t a language extension); will be moved to a new “Reactive Programming” article) |
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;[http://www.haskell.org/arrows/ Arrows] | ;[http://www.haskell.org/arrows/ Arrows] | ||

:Ross Paterson has developed a preprocessor that provides a nice notation for Arrows, a generalization of monads. This notation has been supported directly by [http://www.haskell.org/ghc GHC] since version 6.4, so the preprocessor is only needed for other implementations. | :Ross Paterson has developed a preprocessor that provides a nice notation for Arrows, a generalization of monads. This notation has been supported directly by [http://www.haskell.org/ghc GHC] since version 6.4, so the preprocessor is only needed for other implementations. | ||

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## Latest revision as of 10:51, 24 January 2008

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*This page contains a list of libraries and tools in a certain category. For a comprehensive list of such pages, see Applications and libraries.*

## [edit] Extended Haskell

The purpose of these systems is to enhance the capabilities of Haskell in some way. These are not targeted at any specific application domains.

- HaRP
- A Haskell extension that extends the normal pattern matching facility with the power of regular expressions.