either: Combinators for working with sums
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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, 4.5, 5, 5, 5.0.1, 5.0.1.1, 5.0.2 |
|---|---|
| Change log | CHANGELOG.markdown |
| Dependencies | base (>=4 && <5), bifunctors (>=4 && <6), mtl (>=2.0 && <2.3), profunctors (>=4 && <6), semigroupoids (>=4 && <6), semigroups (>=0.8.3.1 && <1) [details] |
| License | BSD-3-Clause |
| Copyright | Copyright (C) 2008-2017 Edward A. Kmett |
| Author | Edward A. Kmett |
| Maintainer | Edward A. Kmett <ekmett@gmail.com> |
| 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 |
| Uploaded | by EdwardKmett at 2017-11-21T03:04:21Z |
Modules
[Index]
Downloads
- either-5.tar.gz [browse] (Cabal source package)
- Package description (as included in the package)
Maintainer's Corner
Package maintainers
For package maintainers and hackage trustees
Readme for either-5
[back to package description]either
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