The either package

[Tags:bsd3, library]

Haskell 98 either monad transformer


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Properties

Versions 0.1, 0.2.1, 0.2.2, 0.2.2.1, 0.2.2.2, 0.2.2.3, 0.2.3, 0.2.3.1, 0.3, 0.3.0.1, 3.0, 3.0.1, 3.0.2, 3.0.3, 3.1, 3.2, 3.3, 3.4, 3.4.1, 3.4.2, 4.0, 4.1, 4.1.1, 4.1.2, 4.3, 4.3.0.1, 4.3.0.2, 4.3.1, 4.3.2, 4.3.2.1, 4.3.3, 4.3.3.1, 4.3.3.2, 4.3.4, 4.3.4.1, 4.4, 4.4.1, 4.4.1.1
Dependencies base (==4.*), semigroupoids (==3.0.*), semigroups (>=0.8.3.1 && <0.9), transformers (>=0.2 && <0.4) [details]
License BSD3
Copyright Copyright (C) 2008-2012 Edward A. Kmett
Author Edward A. Kmett
Maintainer Edward A. Kmett <ekmett@gmail.com>
Stability provisional
Category Control, Monads
Home page http://github.com/ekmett/either/
Bug tracker http://github.com/ekmett/either/issues
Source repository head: git clone git://github.com/ekmett/either.git
Uploaded Sat Jul 14 02:07:50 UTC 2012 by EdwardKmett
Distributions Arch:4.4.1.1, Debian:4.4.1, FreeBSD:4.4.1, LTSHaskell:4.4.1.1, NixOS:4.4.1.1, Stackage:4.4.1.1
Downloads 58015 total (116 in the last 30 days)
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Status Docs uploaded by user
Build status unknown [no reports yet]

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For package maintainers and hackage trustees

Readme for either

Readme for either-3.0.1

either

Build Status

This provides an either monad transformer that unlike ErrorT is unencumbered by a constraint on its left hand argument. This is needed for a number of applications of this monad transformer, notably in recursion schemes.

Contact Information

Contributions and bug reports are welcome!

Please feel free to contact me through github or on the #haskell IRC channel on irc.freenode.net.

-Edward Kmett