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When working with comonads you often have the <*> portion of an Applicative, but not the pure. This was captured in Uustalu and Vene's "Essence of Dataflow Programming" in the form of the ComonadZip class in the days before Applicative. Apply provides a weaker invariant, but for the comonads used for data flow programming (found in the streams package), this invariant is preserved. Applicative function composition forms a semigroupoid.
This package provides a library for the Haskell programming language, compiled for profiling. See http://www.haskell.org/ for more information on Haskell.
haskell-semigroupoids (18.104.22.168-1+b1) sid; urgency=low * Binary-only non-maintainer upload for powerpc; no source changes. * Rebuild against new transformers/mtl -- powerpc Build Daemon (parry) <firstname.lastname@example.org> Fri, 25 May 2012 18:40:06 +0000 haskell-semigroupoids (22.214.171.124-1) unstable; urgency=low * New upstream release -- Joachim Breitner <email@example.com> more»
Format-Specification: http://svn.debian.org/wsvn/dep/web/deps/dep5.mdwn?op=file&rev=135 Name: semigroupoids Maintainer: Edward A. Kmett <firstname.lastname@example.org> Source: http://hackage.haskell.org/package/semigroupoids Copyright: (C) 2007-2011 Edward Kmett License: BSD All rights reserved. . Redistribution and use in source and binary forms, with or without modification, are permitted provided that more»