Re: Add an extra class to Control.Applicative.Alternative

On Thu, May 1, 2014 at 10:05 AM, Edward Kmett wrote:

The most commonly used version of that type is

http://hackage.haskell.org/package/these-0.4.1/docs/Data-These.html

There's also http://hackage.haskell.org/package/data-or-1.0.0.4/docs/Data-Or.html which has much lighter dependencies, though consequently lacks the corresponding typeclass instances -- Live well, ~wren