Control.Monad proposal: Add whenJust

[John Lato]

On May 18, 2013 10:09 PM, "Ian Lynagh" <ian at well-typed.com> wrote:
>
> On Wed, May 15, 2013 at 10:40:45PM +0200, Bas van Dijk wrote:
> > On 15 May 2013 18:14, Edward Kmett <ekmett at gmail.com> wrote:
> > > Personally, I'd be all for just moving Foldable (and Traversable)
into the
> > > Prelude and retiring the monomorphic versions of the functions they
supply.
>
> I'd prefer to remove the monomorphic functions, but not to add anything
> to Prelude.

+1 to Ian's suggestion.
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