co-log-polysemy
package is a implementation of the
co-log-core logging based on
the polysemy extensible
effects library.
co-log-polysemy
is compatible with the following GHC
versions - supported versions
In order to start using co-log-polysemy
in your project, you
will need to set it up with these easy steps:
-
Add the dependency on
co-log-polysemy
in your project's.cabal
file. For this, you should modify thebuild-depends
section according to the below section:build-depends: base ^>= LATEST_SUPPORTED_BASE , co-log-core ^>= LATEST_VERSION , polysemy ^>= LATEST_VERSION
-
To use this package, refer to the below example
module Main (main) where import Prelude hiding (log) import Polysemy (Member, Sem, runM) import Colog.Core.IO (logStringStdout) import Colog.Polysemy (Log, log, runLogAction) example :: Member (Log String) r => Sem r () example = do log @String "First message..." log @String "Second message..." main :: IO () main = runM $ runLogAction @IO logStringStdout example