ja-base-extra-0.2.1.0: Extra functions I require in base

Copyright(c) Justus Adam, 2015
LicenseBDS3
Maintainerdev@justus.science
Stabilityexperimental
PortabilityPOSIX, Windows
Safe HaskellSafe
LanguageHaskell2010

Data.Maybe.JAExtra

Description

 

Synopsis

Documentation

onlyIf :: α -> Bool -> Maybe α Source

Contruct a value based on a boolean guard.

>>> "blue" `onlyIf` (len [1] == 1)
Just "blue"