[Haskell-cafe] Monoid wants a (++) equivalent

[Tony Morris]

David Leimbach wrote:
>
>
> On Tue, Jun 30, 2009 at 11:54 AM, Brent Yorgey <byorgey at seas.upenn.edu
> <mailto:byorgey at seas.upenn.edu>> wrote:
>
>     On Tue, Jun 30, 2009 at 09:45:45AM -0700, Bryan O'Sullivan wrote:
>     > I've thought for a while that it would be very nice indeed if
>     the Monoid
>     > class had a more concise operator for infix appending than "a
>     `mappend` b".
>     > I wonder if other people are of a similar opinion, and if so,
>     whether this
>     > is worth submitting a libraries@ proposal over.
>
>     +1.
>
>     IIRC Jules Bean has proposed using (+>) for this purpose, which I
>     like.  It has the advantages of (a) not clashing with any other
>     (common) operators, (b) making more obvious the fact that mappend is
>     not necessarily commutative, and (c) providing the obvious (<+) for
>     'flip mappend' which is sometimes useful.
>
>
> I actually think this proposal is pretty excellent.  
I happen to agree.

-- 
Tony Morris
http://tmorris.net/