Re: [Chicken-users] passing a string to foreign-lambda*

[Martin DeMello]

On 7/9/07, felix winkelmann <address@hidden> wrote:
> On 7/8/07, Martin DeMello <address@hidden> wrote:
> >
> > No, I want a C function whose body is a string generated by combining
> > a template and some arguments that fill in slots in the template.
> >
>
> (define-macro (foo name x)
>   `(define ,name
>       (foreign-lambda* void ((c-string arg))
>         ,(format #f "printf(\"~a, %s!\\n\", arg);" x) ) ) )
>
> (foo hello "Hello")
> (hello "martin")

Thanks! I was trying to use string-concatenate, but couldn't manage to
make it available at macro expansion time (is this possible?)

martin