The convertible package

[Tags:bsd3, library]

convertible provides a typeclass with a single function that is designed to help convert between different types: numeric values, dates and times, and the like. The conversions perform bounds checking and return a pure Either value. This means that you need not remember which specific function performs the conversion you desire.

Also included in the package are optional instances that provide conversion for various numeric and time types, as well as utilities for writing your own instances.

Finally, there is a function that will raise an exception on bounds-checking violation, or return a bare value otherwise, implemented in terms of the safer function described above.

Convertible is also used by HDBC 2.0 for handling marshalling of data to and from databases.

Convertible is backed by an extensive test suite and passes tests on GHC and Hugs.

Properties

Versions 1.0.0, 1.0.1, 1.0.3, 1.0.5, 1.0.6, 1.0.7, 1.0.8, 1.0.9, 1.0.9.1, 1.0.10.0, 1.0.11.0, 1.0.11.1, 1.1.0.0, 1.1.1.0
Dependencies base (<4.2), bytestring, containers, HUnit, mtl, old-locale, old-time, QuickCheck, testpack, time [details]
License LGPL
Copyright Copyright (c) 2009-2009 John Goerzen
Author John Goerzen
Maintainer John Goerzen <jgoerzen@complete.org>
Stability Stable
Category Data
Home page http://hackage.haskell.org/cgi-bin/hackage-scripts/package/convertible
Uploaded Fri May 29 15:53:43 UTC 2009 by JohnGoerzen
Updated Wed Apr 29 18:45:18 UTC 2015 by ErikHesselink to revision 1
Distributions Debian:1.1.1.0, FreeBSD:1.1.1.0, LTSHaskell:1.1.1.0, NixOS:1.1.1.0
Downloads 31388 total (62 in the last 30 days)
Votes
0 []
Status Docs not available [build log]
All reported builds failed as of 2015-12-12 [all 5 reports]

Modules

  • Data
    • Data.Convertible
      • Data.Convertible.Base
      • Data.Convertible.Instances
        • Data.Convertible.Instances.C
        • Data.Convertible.Instances.Map
        • Data.Convertible.Instances.Num
        • Data.Convertible.Instances.Time
      • Data.Convertible.Utils

Flags

NameDescriptionDefaultType
splitbaseChoose the new smaller, split-up base package.EnabledAutomatic
buildtestsBuild the executable to run unit testsDisabledAutomatic

Use -f <flag> to enable a flag, or -f -<flag> to disable that flag. More info

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