[plt-scheme] Structure constructor

At Mon, 17 Jul 2006 14:16:00 -0400, Sam TH wrote:
> On Mon, 2006-07-17 at 20:03 +0200, Jens Axel Søgaard wrote:
> > Hi all,
> > 
> > What is the simplest way to go from a structure to its constructor?
> > The following seems to work, but I have a hunch there is a simpler
> > solution.
> 
> I think you want `struct-type-make-constructor'.  Then your function can
> be defined as:
> 
> (define (struct-constructor s)
>   (define-values (sty _) (struct-info s))
>   (struct-type-make-constructor sty))

You can also get that information at elaboration time, if you have the
"s" in (define-struct s (a b)) around. define-struct's docs should
explain how to extract it, I believe.

Robby