trace

A monad transformer for tracing provenience of errors

Latest on Hackage:0.2.0.0

This package is not currently in any snapshots. If you're interested in using it, we recommend adding it to Stackage Nightly. Doing so will make builds more reliable, and allow stackage.org to host generated Haddocks.

MIT licensed by Jon Sterling
Maintained by jon@jonmsterling.com

hs-trace

A monad transformer for tracing error provenience. If you want a nice example of how to use it, this bidirectional type checker provides a very nice example and motivation.

Changes

0.2.0.0

  • Provided MonadTrace instances to the transformers menagerie.

  • Provided the various mtl instance to TraceT.

  • Based TraceT on ExceptT to shed the either package dependency.

  • Remove some things that were of limited utility which had caused profunctors, kan-extensions dependencies to be incurred.

  • Added a Monad superclass constraint to MonadTrace.

0.1.0.5

  • Added Typeable, Generic, and NFData instances for ErrorTrace.

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