The traced package

[Tags:bsd3, library]

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 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 BSD3
Author Lennart Augustsson
Maintainer Edward Kmett
Category Debug
Source repository head: git clone git://
Uploaded Sun Mar 8 11:24:59 UTC 2015 by EdwardKmett
Distributions NixOS:3000
Downloads 1251 total (17 in the last 30 days)
0 []
Status Docs available [build log]
Last success reported on 2015-03-08 [all 1 reports]
Hackage Matrix CI




base4Should we build with version 4 of the Base libraryEnabledAutomatic

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Maintainer's Corner

For package maintainers and hackage trustees

Readme for traced

Readme for traced-3000


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