traced: Simple evaluation trace

[ bsd3, debug, library ] [ Propose Tags ]

The module defines a type constructor Traced, which allows evaluation of values to be traced. Instances for all numeric types make tracing numeric evaluation especially easy.

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Versions [faq] 2008.7.4, 2008.11.26, 2009.4.3, 2009.7.20, 2014.11.15, 3000
Change log CHANGELOG.markdown
Dependencies base (>=3 && <5), containers, mtl, pretty [details]
License BSD-3-Clause
Author Lennart Augustsson
Maintainer Edward Kmett
Category Debug
Source repo head: git clone git://
Uploaded by EdwardKmett at 2015-03-08T11:24:59Z
Distributions NixOS:3000
Downloads 4154 total (146 in the last 30 days)
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Status Hackage Matrix CI
Docs available [build log]
Last success reported on 2015-03-08 [all 1 reports]





Should we build with version 4 of the Base library


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Readme for traced-3000

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Build Status

This package provides "traced" values, which let you observe sharing and what operations have been performed on them to a limited extent. It was written by Lennart Augustsson, but is now maintained by Edward Kmett.

Contact Information

Contributions and bug reports are welcome!

Please feel free to contact me through github or on the #haskell IRC channel on

-Edward Kmett