The file-location package

[Tags:bsd3, library, test]

Common debugging/error/exception 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.

Here is 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.

$(dbg) [1,2,3]
DEBUG main:Main main.hs:1:3 [1,2,3]

Also there is a version of thrwIO that gives location information

($(thrwIO) $ AException) catch e -> putStrLn ("Caught " ++ show (e :: AException))
Caught AException "main:Main test/main.hs:25:6"

See module for a listing of all the functions with short descriptions, and the homepage for some more examples https:github.comgregwebsErrorLocation.hs


Versions 0.2.0, 0.2.1, 0.2.2, 0.2.3, 0.2.4, 0.3.0, 0.4.0, 0.4.1, 0.4.2, 0.4.3, 0.4.4, 0.4.5,,,, 0.4.6, 0.4.7,, 0.4.8, 0.4.9
Dependencies base (==4.*), containers, lifted-base, template-haskell, transformers (>=0.2 && <0.4) [details]
License BSD3
Author Greg Weber
Stability Unknown
Category Development
Home page
Source repository head: git clone
Uploaded Thu Nov 22 14:40:51 UTC 2012 by GregWeber
Distributions Debian:0.4.9, NixOS:0.4.9, Tumbleweed:0.4.9
Downloads 4842 total (52 in the last 30 days)
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Status Docs uploaded by user
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