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name: transformers
version: 0.5.6.2
license: BSD3
license-file: LICENSE
author: Andy Gill, Ross Paterson
maintainer: Ross Paterson <R.Paterson@city.ac.uk>
bug-reports: http://hub.darcs.net/ross/transformers/issues
category: Control
synopsis: Concrete functor and monad transformers
description:
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.
build-type: Simple
extra-source-files:
changelog
cabal-version: >= 1.6
source-repository head
type: darcs
location: http://hub.darcs.net/ross/transformers
library
build-depends: base >= 2 && < 6
hs-source-dirs: .
if !impl(ghc>=7.9)
-- Data.Functor.Identity was moved into base-4.8.0.0 (GHC 7.10)
-- see also https://ghc.haskell.org/trac/ghc/ticket/9664
-- NB: using impl(ghc>=7.9) instead of fragile Cabal flags
hs-source-dirs: legacy/pre709
exposed-modules: Data.Functor.Identity
if !impl(ghc>=7.11)
-- modules moved into base-4.9.0 (GHC 8.0)
-- see https://ghc.haskell.org/trac/ghc/ticket/10773
-- see https://ghc.haskell.org/trac/ghc/ticket/11135
hs-source-dirs: legacy/pre711
exposed-modules:
Control.Monad.IO.Class
Data.Functor.Classes
Data.Functor.Compose
Data.Functor.Product
Data.Functor.Sum
if impl(ghc>=7.2 && <7.5)
-- Prior to GHC 7.5, GHC.Generics lived in ghc-prim
build-depends: ghc-prim
exposed-modules:
Control.Applicative.Backwards
Control.Applicative.Lift
Control.Monad.Signatures
Control.Monad.Trans.Accum
Control.Monad.Trans.Class
Control.Monad.Trans.Cont
Control.Monad.Trans.Except
Control.Monad.Trans.Error
Control.Monad.Trans.Identity
Control.Monad.Trans.List
Control.Monad.Trans.Maybe
Control.Monad.Trans.Reader
Control.Monad.Trans.RWS
Control.Monad.Trans.RWS.CPS
Control.Monad.Trans.RWS.Lazy
Control.Monad.Trans.RWS.Strict
Control.Monad.Trans.Select
Control.Monad.Trans.State
Control.Monad.Trans.State.Lazy
Control.Monad.Trans.State.Strict
Control.Monad.Trans.Writer
Control.Monad.Trans.Writer.CPS
Control.Monad.Trans.Writer.Lazy
Control.Monad.Trans.Writer.Strict
Data.Functor.Constant
Data.Functor.Reverse
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