The transformers package
A portable library of functor and monad transformers, inspired by the paper "Functional Programming with Overloading and Higher-Order Polymorphism", by Mark P Jones, in Advanced School of Functional Programming, 1995 (http://web.cecs.pdx.edu/~mpj/pubs/springschool.html).
This package contains:
the monad transformer class (in Control.Monad.Trans.Class)
concrete functor and monad transformers, each with associated operations and functions to lift operations associated with other transformers.
The package can be used on its own in portable Haskell code, in which case operations need to be manually lifted through transformer stacks (see Control.Monad.Trans.Class for some examples). Alternatively, it can be used with the non-portable monad classes in the mtl or monads-tf packages, which automatically lift operations introduced by monad transformers through other transformers.
Properties
| Versions | 0.0.0.0, 0.0.1.0, 0.1.0.0, 0.1.0.1, 0.1.1.0, 0.1.3.0, 0.1.4.0, 0.2.0.0, 0.2.1.0, 0.2.2.0, 0.2.2.1, 0.3.0.0, 0.4.0.0, 0.4.1.0, 0.4.2.0, 0.4.3.0, 0.5.0.0, 0.5.0.1, 0.5.0.2, 0.5.1.0, 0.5.2.0, 0.5.3.0, 0.5.3.1, 0.5.4.0 (info) |
|---|---|
| Change log | changelog |
| Dependencies | base (>=2 && <6), ghc-prim [details] |
| License | BSD3 |
| Author | Andy Gill, Ross Paterson |
| Maintainer | Ross Paterson <[email protected]> |
| Stability | Unknown |
| Category | Control |
| Bug tracker | http://hub.darcs.net/ross/transformers/issues |
| Source repository | head: darcs get http://hub.darcs.net/ross/transformers |
| Uploaded | Sat Feb 18 16:47:16 UTC 2017 by RossPaterson |
| Distributions | Arch:0.5.2.0, Debian:0.3.0.0, Fedora:0.4.2.0, LTSHaskell:0.5.2.0, NixOS:0.5.4.0, Stackage:0.5.2.0 |
| Downloads | 224576 total (182 in the last 30 days) |
| Votes | |
| Status | Docs available [build log] Last success reported on 2017-02-18 [all 1 reports] |
Modules
- Control
- Applicative
- Monad
- IO
- Control.Monad.IO.Class
- Control.Monad.Signatures
- Trans
- Control.Monad.Trans.Accum
- Control.Monad.Trans.Class
- Control.Monad.Trans.Cont
- Control.Monad.Trans.Error
- Control.Monad.Trans.Except
- Control.Monad.Trans.Identity
- Control.Monad.Trans.List
- Control.Monad.Trans.Maybe
- Control.Monad.Trans.RWS
- Control.Monad.Trans.Reader
- Control.Monad.Trans.Select
- Control.Monad.Trans.State
- Control.Monad.Trans.Writer
- IO
- Data
- Functor
- Data.Functor.Classes
- Data.Functor.Compose
- Data.Functor.Constant
- Data.Functor.Identity
- Data.Functor.Product
- Data.Functor.Reverse
- Data.Functor.Sum
- Functor
[Index]
Downloads
- transformers-0.5.4.0.tar.gz [browse] (Cabal source package)
- Package description (included in the package)