either: An either monad transformer

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An either monad transformer

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Modules

[Index]

Control
- Monad
  - Trans
    - Control.Monad.Trans.Either

Downloads

either-3.4.1.tar.gz [browse] (Cabal source package)
Package description (as included in the package)

Maintainer's Corner

Package maintainers

EdwardKmett, ryanglscott, GeorgeWilson

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Candidates

Versions [RSS]	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, 4.5, 5, 5.0.1, 5.0.1.1, 5.0.2, 5.0.3
Change log	CHANGELOG.markdown
Dependencies	base (>=4 && <5), MonadRandom (>=0.1 && <0.2), mtl (>=2.0 && <2.2), semigroupoids (>=3 && <4), semigroups (>=0.8.3.1 && <1), transformers (>=0.2 && <0.4) [details]
License	BSD-3-Clause
Copyright	Copyright (C) 2008-2013 Edward A. Kmett
Author	Edward A. Kmett
Maintainer	Edward A. Kmett <ekmett@gmail.com>
Uploaded	by EdwardKmett at 2013年06月20日T21:35:40Z
Category	Control, Monads
Home page	http://github.com/ekmett/either/
Bug tracker	http://github.com/ekmett/either/issues
Source repo	head: git clone git://github.com/ekmett/either.git
Distributions	Arch:5.0.3, Debian:5.0.1.1, Fedora:5.0.2, FreeBSD:4.4.1, LTSHaskell:5.0.3, NixOS:5.0.3, Stackage:5.0.3
Reverse Dependencies	291 direct, 8571 indirect [details]
Downloads	139701 total (214 in the last 30 days)
Rating	2.25 (votes: 2) [estimated by Bayesian average]
Your Rating	λ λ λ
Status	Docs uploaded by user Build status unknown [no reports yet]

Readme for either-3.4.1

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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