monad-logger

A class of monads which can log messages.

https://github.com/kazu-yamamoto/logger

Version on this page:0.3.20.2
LTS Haskell 22.13:0.3.40
Stackage Nightly 2024-03-14:0.3.40
Latest on Hackage:0.3.40

See all snapshots monad-logger appears in

MIT licensed by Michael Snoyman
Maintained by [email protected]
This version can be pinned in stack with:monad-logger-0.3.20.2@sha256:8effa79251b141f9e595bdc93f8d31766d36388d9cf488888f732d8c230abb0e,1955

Module documentation for 0.3.20.2

monad-logger

A monad transformer approach for logging.

This package provides Template Haskell functions for determining source code locations of messages.

Changes

0.3.20.2

  • Support for GHC 8.2

0.3.20.1

  • Fix #106 by correcting the default signature for MonadLoggerIO #108

0.3.20

  • Generalize the type of unChanLoggingT #104

0.3.19

  • Add CallStack-based functions and Control.Monad.Logger.CallStack module

0.3.18

  • Added logTHShow and logDebugSH, logInfoSH, etc. Accepts an argument of Show a => a instead of just Text.

0.3.17

  • log to a chan #74

0.3.16

  • Provide default monadLoggerLog implementation #72

0.3.15

  • Expose Loc constructor #70

0.3.14

  • Don’t include source location for defaultLoc #69

0.3.13.1

  • Allow fast-logger 2.3

0.3.13

  • Re-export LogStr from fast-logger #56
  • Added filterLogger

0.3.12

  • Use transformers-compat to provide universal ExceptT support #53

0.3.11.1

Add support for monad-control 1.0 #52

0.3.11

Add missing MonadState and MonadWriter instances for NoLoggingT #51

0.3.10.1

Remove unnecessary extra newline in log messages.

0.3.10

Introduce the MonadLoggerIO typeclass.

0.3.9

Add missing MonadError NoLoggingT instance #49

0.3.8

Simplify constraint on MonadLogger (NoLoggingT m) from MonadIO m to Monad m Github issue #48.