[plt-scheme] Unhygienic macro not needed?
On Fri, Nov 20, 2009 at 10:55 AM, Joe Marshall <jmarshall at alum.mit.edu> wrote:
> On Fri, Nov 20, 2009 at 5:57 AM, Laurent <laurent.orseau at gmail.com> wrote:
>>
>> I have the following (simplified) code :
>>
>> (define (f1 x)
>> (let ([y (foo x)])
>> (bar x y y)
>> (plop y x y)
>> (baz x y)))
>>
>> (define (f2 x)
>> (let ([y (foo x)])
>> (baz x y)))
>
> (define (wrapper receiver)
> (lambda (x)
> (let ((y (foo x)))
> (receiver x y)
> (baz x y))))
>
> (define f1
> (wrapper
> (lambda (x y)
> (bar x y y)
> (plop y x y) )))
>
> (define f2
> (wrapper
> (lambda (x y) #f)))
Oops. Joe, of course, has the best solution. No need for "macrology"
when "functionality" does the job. Pardon the puns.
--Carl