Sadly, John Cowan's fine table of SRFI support by implementation doesn't cover SRFI 15.
In practice real dynamic variables - parameters - are the way to go for library or other distributed code. & they are in R7RS! On Jun 26, 2013, at 3:01 PM, Dan Leslie <d...@ironoxide.ca> wrote: > Oh you just had to be different. ;) > > The related SRFI is withdrawn, is it safe to assume that fluid-let will be > available outside of Chicken? > > -Dan > > On 6/26/2013 2:56 PM, Kon Lovett wrote: >> See http://api.call-cc.org/doc/chicken/special-forms#def:fluid-let >> >> #;1> (define a 1) >> #;2> (define (add x) (+ x a) ) >> #;3> (let ((a 100) ) (add 10) ) >> 11 >> #;4> (fluid-let ((a 100) ) (add 10) ) >> 110 >> >> >> On Jun 26, 2013, at 2:47 PM, "Daniel Ajoy" <da.a...@gmail.com> wrote: >> >>> "add" binds a to 1 at the moment of definition. >>> >>> #;48> (define a 1) >>> #;49> (define (add x) (+ x a) ) >>> #;50> (add 10) >>> 11 >>> #;51> (let ((a 100) ) (add 10) ) >>> 11 >>> >>> Is there a way to give a different value of "a" to add, so that, something >>> like this happens: >>> >>> (let ((a 100) ) (add 10) ) >>> 110 >>> >>> Daniel >>> >>> _______________________________________________ >>> Chicken-users mailing list >>> Chicken-users@nongnu.org >>> https://lists.nongnu.org/mailman/listinfo/chicken-users >> >> _______________________________________________ >> Chicken-users mailing list >> Chicken-users@nongnu.org >> https://lists.nongnu.org/mailman/listinfo/chicken-users > _______________________________________________ Chicken-users mailing list Chicken-users@nongnu.org https://lists.nongnu.org/mailman/listinfo/chicken-users
