Debugging by observing in place http://ku-fpg.github.io/software/hood

Latest on Hackage:0.3.1

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.

BSD3 licensed by Andy Gill
Maintained by Andy Gill

hood Hackage version Build Status

Hood debugger, based on the idea of observing functions and structures as they are evaluated.


0.3.1 [2018.01.18]

  • Fix the build on GHC 8.4.


  • Observable instances can be derived for Generic instances using DefaultSignatures (MaartenFaddegon)
  • Depend on the FPretty library for pretty-printing, which requires base-4.5 or greater.


  • Fixed build with GHC 7.10
Depends on 4 packages:
Used by 1 package:
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