darcs patch: Add justIf to Data.Maybe

Henning Thielemann lemming at henning-thielemann.de
Tue Aug 25 08:30:35 EDT 2009

On Sat, 22 Aug 2009, Joachim Breitner wrote:

> Hi,
> I propose the attached change, with a discussion timeframe until end of
> September. The corresponding ticket is
> http://hackage.haskell.org/trac/ghc/ticket/3446

I proposed the same with reversed parameter order and the name 'toMaybe' 
years ago and it was rejected.


However, I have added it to my own utility library.


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