[Haskell-cafe] Re: IO in lists

[Dan Piponi]

On 1/23/07, Yitzchak Gale <gale at sefer.org> wrote:
> You have written a great explanation of how
> ListT works by writing out its definitions in an
> interesting way!

I put quite a bit of time into understanding why the old ListT isn't a
monad [1]. But I thought I didn't yet understand the new one. Now I
see that I did, I just didn't know that I understood it! :-)
--
Dan

[1] http://sigfpe.blogspot.com/2006/11/why-isnt-listt-monad.html