Control.Monad proposal: Add whenJust

[Henning Thielemann]

On Sat, 11 May 2013, Simon Hengel wrote:

> On Sat, May 11, 2013 at 06:15:53PM +0100, Ben Millwood wrote:
>>
>> Maybe what we really need to do is work out why Data.Foldable is so
>> maligned, and sort out the import conflicts so it's easier to use.
>
> Yes, sorting out the import conflicts would be awesome.

There are no import conflicts if you import properly ...