free: Monads for free

[ bsd3, control, library, monads ] [ Propose Tags ]

Free monads are useful for many tree-like structures and domain specific languages.

A Monad n is a free Monad for f if every Monad homomorphism from n to another monad m is equivalent to a natural transformation from f to m.

Cofree comonads provide convenient ways to talk about branching streams and rose-trees, and can be used to annotate syntax trees.

A Comonad v is a cofree Comonad for f if every Comonad homomorphism another comonad w to v is equivalent to a natural transformation from w to f.

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Versions [RSS] 0.1.0, 0.1.1, 0.2.0, 0.2.1, 0.2.2, 0.2.3, 1.8.0, 1.8.0.1, 1.8.0.3, 1.8.0.4, 2.0, 2.0.1, 2.0.1.1, 2.0.2, 2.0.3, 2.1, 2.1.1, 2.1.1.1, 2.2, 3.0, 3.1, 3.1.1, 3.2, 3.3, 3.3.0.1, 3.3.0.2, 3.3.1, 3.4, 3.4.1, 3.4.2, 4.0, 4.1, 4.2, 4.4, 4.5, 4.6, 4.6.1, 4.7, 4.7.1, 4.8, 4.8.0.1, 4.9, 4.10.0.1, 4.11, 4.12, 4.12.1, 4.12.2, 4.12.3, 4.12.4, 5, 5.0.1, 5.0.2, 5.1, 5.1.1, 5.1.2, 5.1.3, 5.1.4, 5.1.5, 5.1.6, 5.1.7, 5.1.8, 5.1.9, 5.1.10, 5.2 (info)
Dependencies base (>=4 && <4.7), bifunctors (>=3.0 && <3.1), comonad (>=3.0 && <3.1), comonad-transformers (>=3.0 && <3.1), comonads-fd (>=3.0 && <3.1), distributive (>=0.2.1 && <0.3), mtl (>=2.0.1.0 && <2.2), semigroupoids (>=3.0 && <3.1), semigroups (>=0.8.3.1 && <0.9), transformers (>=0.2.0 && <0.4) [details]
License BSD-3-Clause
Copyright Copyright (C) 2008-2012 Edward A. Kmett
Author Edward A. Kmett
Maintainer Edward A. Kmett <ekmett@gmail.com>
Revised Revision 1 made by AdamBergmark at 2015-05-12T18:13:55Z
Category Control, Monads
Home page http://github.com/ekmett/free/
Bug tracker http://github.com/ekmett/free/issues
Source repo head: git clone git://github.com/ekmett/free.git
Uploaded by EdwardKmett at 2012-08-15T00:31:28Z
Distributions Arch:5.1.10, Debian:5.1.3, Fedora:5.1.10, FreeBSD:4.12.1, LTSHaskell:5.2, NixOS:5.2, Stackage:5.2, openSUSE:5.2
Reverse Dependencies 202 direct, 7866 indirect [details]
Downloads 255699 total (498 in the last 30 days)
Rating 2.5 (votes: 5) [estimated by Bayesian average]
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Status Docs uploaded by user
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