[Haskell-cafe] ANN: Monad.Reader special Poetry and Fiction Edition

[Yves Parès]

Concerning this exercise, would it be simply possible to take the most of
lazy evaluation and build a graph?

A node would be:
Node a = Node { data    :: a,
                parents :: [Node a],
                children :: [Node a] }

Then, whichever node you are on, you can still directly find its
predecessors, i.e. your way back in the labyrinth.
I find it more simple than a zipper (of course, now you cannot serialize it,
due to the cross-references).


2011/3/16 Andrew Coppin <andrewcoppin at btinternet.com>

> On 15/03/2011 11:35 PM, Brent Yorgey wrote:
>
>> I am pleased to announce that the special Poetry and Fiction Edition
>> of The Monad.Reader is now available [1]. Enjoy!
>>
>
> I love exercise 8, "write a complete computer game using this idea" (!)
>
>
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