co-log-core

Composable Contravariant Comonadic Logging Library https://github.com/kowainik/co-log

MPL-2.0 licensed by Kowainik

Maintained by xrom.xkov@gmail.com

This package provides core types and functions to work with the LogAction data type which is both simple and powerful.

newtype LogAction m msg = LogAction
    { unLogAction :: msg -> m ()
    }

The ideas behind this package are described in the following blog post:

Changes

co-log-core uses PVP Versioning. The change log is available on GitHub.

#63: Add logPrint, logPrintStderr, logPrintHandle and withLogPrintFile to Colog.Core.IO.
#46: Moves logStringStdout, logStringStderr, logStringHandle, withLogStringFile from Colog.Actions to Colog.Core.IO.
#48: Adds liftLogIO function.
#49: Add <& and &>operators for unLogAction.
#47: Add doctest tests.
#13: Add .cabal file description and improve documentation.
#39: Support GHC-8.2.2 and GHC-8.6.2.

Depends on 1 package:

Used by 3 packages: