[Haskell-cafe] Re: IO in lists

[Yitzchak Gale]

I wrote:
>> You have written a great explanation of how
>> ListT works by writing out its definitions in an
>> interesting way!

Dan Piponi wrote:
> 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! :-)
> [1] http://sigfpe.blogspot.com/2006/11/why-isnt-listt-monad.html

Hmm, I thought it was the old one...