Re: [Haskell-cafe] Re: Why monoids will abide...

21 Jan 2009

      No, I mean monads :) I've never thought of them as of monoids in the
endofunctor category.

2009/1/21 David Leimbach :
...
You mean monoids right?  :-)
On Wed, Jan 21, 2009 at 1:30 AM, Eugene Kirpichov 
wrote:
...
Wow. This is a cool point of view on monads, thank you for
enlightening (the arrow stuff is yet too difficult for me to
understand)!
2009/1/21 Andrzej Jaworski :
...
Monads are monoids in categories of functors C -> C Arrows are monoids
in
subcategories of bifunctors (C^op) x C -> C  Trees are a playing ground
for
functors in general:-)
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