Andy Wingo writes:
> Hi,
>
> On Fri 19 Mar 2010 09:57, Josef Wolf writes:
>
>> (show-expansion (defstruct tree height girth age leaf-shape leaf-color))
>
> (macroexpand '(defstruct ...))
>
> You might want to surround that with (pretty-print ...) from (ice-9
> pretty-print).
>
>> Of course this
Hi,
On Fri 19 Mar 2010 09:57, Josef Wolf writes:
> (show-expansion (defstruct tree height girth age leaf-shape leaf-color))
(macroexpand '(defstruct ...))
You might want to surround that with (pretty-print ...) from (ice-9
pretty-print).
> Of course this is possible. After all, code is data
On Mar 19, 2010, at 04:57, Josef Wolf wrote:
> My next question is more related to the defstruct macro.
> In line 11, defstruct stores the default initializers into the vv vector:
>
> (if (pair? f) (cadr f) '(if #f #f)))
>
> So if the field is a pair, the initializer is stored in vv. That's eas
Hello,
I am trying to understand the defstruct macro from the "teach yourself
scheme in fixnum days" tutorial, which can be found in chapter 9 at
http://www.ccs.neu.edu/home/dorai/t-y-scheme/t-y-scheme-Z-H-11.html#node_chap_9
My first question is of a more generic type. For a better understanding