The bool-extras package

[Tags: bsd3, library]

The bool function allows folding over boolean values.

This is comparable to the maybe or either functions on their respective types.

The bool function is a replacement for the build-in if then else-syntax. However, since it is a function, it can be partially applied and passed around to higher order functions, like so:

 ghci> :m + Data.Bool.Extras
 ghci> let yesOrNo = bool "no" "yes"
 ghci> map yesOrNo [True, False, True]
 ["yes", "no", "yes"]

Note that the arguments to bool are in the opposite order of the if then else-syntax; First the false value, then the true value, and finally the boolean.

Properties

Versions0.2.0, 0.3.0, 0.4.0
Change logNone available
Dependenciesbase
LicenseBSD3
AuthorErik Hesselink, Jeroen Leeuwestein, Tom Lokhorst, Sebastiaan Visser
MaintainerTom Lokhorst <tom@lokhorst.eu>
StabilityStable
CategoryData
UploadedWed May 13 08:24:59 UTC 2009 by TomLokhorst
DistributionsDebian:0.4.0, NixOS:0.4.0, Stackage:0.4.0
Downloads900 total (62 in last 30 days)
StatusDocs uploaded by user
Build status unknown [no reports yet]

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