Re: [Chicken-users] obsolete code

[Jörg F . Wittenberger]

On Sep 27 2011, Alex Shinn wrote:

> On Tue, Sep 27, 2011 at 3:39 AM, Jörg F. Wittenberger
> <address@hidden> wrote:
> > I found theses definitions in the irregex code mirroring srfi-1
> > simplified cases.
> >
> > (define (filter pred ls)
> >  (let lp ((ls ls) (res '()))
> >   (if (null? ls)
> >       (reverse res)
> >       (lp (cdr ls) (if (pred (car ls)) (cons (car ls) res) res)))))
> >
> > (define (remove pred ls)
> >  (let lp ((ls ls) (res '()))
> >   (if (null? ls)
> >       (reverse res)
> >       (lp (cdr ls) (if (pred (car ls)) res (cons (car ls) res))))))
> >
> > The irregex code itself appears not to use them anywhere.
>
> Irregex is designed so that (load "irregex.scm") will work
> in any vaguely Scheme-like system.  In the near future I
> plan on switching to the R7RS module system, but in the
> meantime I have no interest in breaking that simplicity.

I do understand and really appreciate that goal.

But not including those two definitions should IMHO not do any harm.
I simply can not see where those would be used within irregex.scm.


/Jörg