On Thu, Jul 15, 2010 at 12:16, ka <sancha...@gmail.com> wrote:
>>        (for [a (r 2), b (r 3)] [a b])
>>        ; produces:
>>        <range 2>
>>        (<range 3>
>>        [0 0] [0 1] <range 3>
>>        [0 2] [1 0] [1 1] [1 2])
>
> Why does (r 2) get evaluated before the seq is needed ?
>
> => (def k (for [a (r 2), b (r 3)] [a b]) )
> <range 2>
> #'a/k

It doesn't get evaluated before it's needed. As far as the
implementation is concerned, it is needed before (r 3) is evaluated.

Chouser <chou...@gmail.com> wrote, in part:
...
> inner seq expressions to the right can refer to locals defined
> further to the left
...

Clear?

// Ben

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