On Thu, 3 Oct 2013 22:06:22 +1000, Tony Morris <tmor...@tmorris.net> wrote: > Lenses for nested sum types e.g. Either.
I think those would be leaning more in the direction of prisms. _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
