The transformers package

[Tags: bsd3, library]

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 (

This package contains:

It can be used on its own in portable Haskell code, or with the monad classes in the mtl or monads-tf packages, which automatically lift operations introduced by monad transformers through other transformers.


Versions0.0.0.0,,,,,,,,,,,,,,, (info)
Change logNone available
Dependenciesbase (>=1.0 && <4.8), special-functors (==1.0.*) [details]
AuthorAndy Gill, Ross Paterson
MaintainerRoss Paterson <>
Source repositoryhead: darcs get
UploadedThu Mar 22 16:00:43 UTC 2012 by RossPaterson
UpdatedThu Dec 4 13:58:19 UTC 2014 by HerbertValerioRiedel to revision 1
DistributionsDebian:, Fedora:, LTSHaskell:, NixOS:, Stackage:
Downloads222632 total (139 in last 30 days)
2 []
StatusDocs uploaded by user
Build status unknown [no reports yet]




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