error-location: error functions that show file location information

[ bsd3, deprecated, development, library ] [ Propose Tags ]
Deprecated. in favor of file-location
Versions 0.1, 0.1.1, 0.1.2, 0.1.3, 0.1.5,,,,,
Dependencies base (==4.*), template‑haskell [details]
License BSD-3-Clause
Author Greg Weber
Category Development
Home page
Source repo head: git clone
Uploaded by GregWeber at Mon Aug 1 22:09:56 UTC 2011
Distributions NixOS:
Downloads 3578 total (30 in the last 30 days)
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Error functions that give file location information

$(err "OH NO!")

main:Main main.hs:16:1 OH NO!

Notice how it displays package:module file:line:character It exposes the functions err (error), undef (undefined), and trc (Debug.Trace.trace). All of these behave the same as their normal counterpart but also spit out a location.

I also included my favorite helper, debug, which is like trace but just show the value.

debug [1,2,3]

DEBUG: [1,2,3]

And The Template Haskell version.

debug [1,2,3]

DEBUG main:Main main.hs:1:3 [1,2,3]

See module for a listing of all the functions with short descriptions, and the homepage for some more examples




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