On Wed, Jun 13, 2012 at 10:46 AM, nicolas.o...@gmail.com
<nicolas.o...@gmail.com> wrote:
> that mutation inside piece is
>> the only non-functional detail...everything else I am indeed returning new
>> boards, new pieces (promotion, death etc)...
>>
>
And from what I understand of your design, I disagree on a point: I
think it is not true a move is a command apply to
a piece. A lot of moves involve multiple pieces.
So I would try to represent a move as something like:
(defprotocol
Move
(can-execute [board] "check the move can be executed on that board")
(execute [board] "return the board after the move")
... )
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