[Haskell-beginners] fibonacci and concurrent recursion

[Dennis Felsing]

On 2012-12-03T10:31-0500, Brent Yorgey wrote:
> Unfortunately it is very difficult to show the process of evaluation
> in an email because for this expression it really requires thinking
> about the expression as a *graph*, and those are hard to draw in an
> email.

I think this is a good example of using ghc-vis, so I just added it to
my examples, in case anyone wants to see the graph version:

http://felsin9.de/nnis/ghc-vis/#fibonacci

Dennis