The mtl package

[Tags:bsd3, library]

Monad classes using functional dependencies, with instances for various 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 (


Versions 1.0,,,,,,,,, 2.1, 2.1.1, 2.1.2,, 2.2,, 2.2.1
Change log CHANGELOG.markdown
Dependencies base (<6), transformers (>=0.4 && <0.6) [details]
License BSD3
Author Andy Gill
Maintainer Edward Kmett <>
Stability Unknown
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Source repository head: git clone git://
Uploaded Mon Jun 2 02:22:36 UTC 2014 by EdwardKmett
Updated Sun Jan 3 08:39:44 UTC 2016 by HerbertValerioRiedel to revision 1
Distributions Arch:2.2.1, Debian:2.2.1, Fedora:2.2.1, FreeBSD:2.2.1, LTSHaskell:2.2.1, NixOS:2.2.1, Stackage:2.2.1, Tumbleweed:2.2.1
Downloads 267281 total (85 in the last 30 days)
5 []
Status Docs available [build log]
Successful builds reported [all 1 reports]




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