Hello,

On Sat, Feb 11, 2012 at 14:55, Laurent <laurent.ors...@gmail.com> wrote:

> ...
>
> (define (bar [arg2 (get-default-value foo arg2)])
>   (foo 5 arg2))
>
>
>
Maybe someone will have a better idea (or a brighter implementation), but
if not, here's my contribution:

#lang racket
(require rackunit)

(define (foo arg1 [arg2 10])
  (+ arg1 arg2))

(define (bar [arg2 #f])
  (let ([arg1 5])
    (cond
      [arg2 (foo arg1 arg2)]
      [else (foo arg1)])))

(check-= (bar 2) 7 0)
(check-= (bar) 15 0)



;;;;;;;;;;;;;

I think what Robby wrote seconds ago is compatible with that...


[]'s

Rodolfo
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