[plt-scheme] passing-on keyword arguments

Thanks. I may end up doing that.  The downside is that I'm creating a
macro for something that  "feels" like it could just be an ordinary
function.

--rob


On Tue, Mar 18, 2008 at 11:38 AM, Matthias Felleisen
<matthias at ccs.neu.edu> wrote:
>
>  Macros?
>
>
>
>  On Mar 18, 2008, at 1:36 PM, Rob Hunter wrote:
>
>  > I've run into this issue a few times, and thought I'd finally post
>  > here.  I'd like to wrap a function that takes keyword arguments, but
>  > pass-on some/all of the keyword arguments from the outer function to
>  > the inner function.  For example,
>  >
>  > (define (inner #:x [x 10]) (* x x))
>  >
>  > (define (outer #:x [x 10]) (+ (inner #:x x) 5))
>  >
>  > This works, but I'm duplicating code.  Specifically, I had to
>  > duplicate the default value for the "x" argument.  Any nice way of
>  > writing outer and letting it defer to inner to get the default value
>  > for x?
>  >
>  > Thanks,
>  > Rob
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