log-base

Structured logging solution (base package)

Version on this page:	0.8.0.1
LTS Haskell 23.19:	0.12.0.1
Stackage Nightly 2025-04-30:	0.12.0.1
Latest on Hackage:	0.12.0.1

See all snapshots log-base appears in

BSD-3-Clause licensed by Scrive AB

Maintained by Andrzej Rybczak, Jonathan Jouty, Mikhail Glushenkov, Oleg Grenrus

This version can be pinned in stack with:log-base-0.8.0.1@sha256:1b7a7ce672056ae66d3c47bd513f32af29693798cfd60434087e7e12f8ba425e,2766

Module documentation for 0.8.0.1

Log
- Log.Backend
  - Log.Backend.StandardOutput
    - Log.Backend.StandardOutput.Bulk
  - Log.Backend.Text
- Log.Class
- Log.Data
- Log.Internal
  - Log.Internal.Logger
- Log.Logger
- Log.Monad

Depends on 17 packages(full list with versions):

aeson, aeson-pretty, base, bytestring, deepseq, exceptions, mmorph, monad-control, monad-time, mtl, semigroups, stm, text, time, transformers-base, unliftio-core, unordered-containers

log-base

Base package for the log library suite. Includes only the standard output back end. Use this package in conjunction with log-elasticsearch or log-postgres, depending on which back end you need.

Changes

log-base-0.8.0.1 (2020-05-08)

Update version bounds.

log-base-0.8.0.0 (2019-04-09)

Add getLoggerEnv function to MonadLog class, add getLoggerIO utility (#46).
Add a MonadUnliftIO instance for LogT (#47).

log-base-0.7.4.0 (2017-10-27)

Add mkBulkLogger' (#40).

log-base-0.7.3.0 (2017-10-10)

BasicStdOutLogger now flushes stdout on each write. BulkStdOutLogger now flushes stdout on each bulk write (#38).

log-base-0.7.2.0 (2017-08-10)

Add ‘MFunctor LogT’ instance (#35 ).

log-base-0.7.1.1 (2017-06-19)

mkBulkLogger now uses a bounded queue to interact with the logger thread.

log-base-0.7.1 (2017-03-16)

Added a few MTL class instances (#28).

log-base-0.7 (2016-11-25)

Initial release (split from the log package).
Improved documentation (#22).
Implement ‘toEncoding’ directly in ‘ToJSON’ instances (#21).