monad-journal

Pure logger typeclass and monad transformer http://github.com/phaazon/monad-journal

Version on this page:0.7.1
LTS Haskell 8.6:0.7.2
Stackage Nightly 2017-03-30:0.7.2
Latest on Hackage:0.7.2
BSD3 licensed and maintained by Dimitri Sabadie

Module documentation for 0.7.1

monad-journal

Pure logger typeclass and monad transformer

What is monad-journal?

monad-journal is a simple but powerful answer to the logging problem. A lot of people think that “logging” is IO-related, while it’s not. Everyone must know MonadWriter , which is perfect to log things in pure computations. The issue is that you can’t access those “things” inside the computation itself. monad-journal exposes a cool typeclass called MonadJournal that enables you to do so.

Changes

CHANGELOG

0.7.2

  • Added support for transformers-0.5.

0.7.1

  • Added support for either 4.4.1.

0.7

  • Added support for GHC 7.10.

0.6.0.2

  • Fixed compilation error. That was due to the change regarding monad-control-1.0.

0.6.0.1

  • Fixed bug about monad-control and type / data families.

0.6

  • monad-control 1.0.0.1 qualified.

0.5

  • license is now BSD3!;
  • enhanced the documentation in all modules;
  • added README.md.

0.4.0.2

  • added the changelog in the package description (.cabal).

0.4.0.1

  • added the source-repository head field in the .cabal file;
  • added the bug-reports field in the .cabal file;
  • change author and maintainer format.

0.4

  • actually, lower bound is better for now; using mtl-2.1.

0.3

  • now using lower-bound mtl’s version 0.2.2.1 for Control.Monad.Except.

0.2.4

  • added MonadExcept instances.
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