Re: [Chicken-users] dynamic scoping

[Dan Leslie]

By using parameters; see also:

http://api.call-cc.org/doc/chicken/parameters/make-parameter
http://api.call-cc.org/doc/miscmacros/define-parameter
http://api.call-cc.org/doc/chicken/special-forms/parameterize

-Dan

On 6/26/2013 2:47 PM, Daniel Ajoy 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
>
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