A critic of Guido's blog on Python's lambda

jayessay nospam at foo.com
Wed May 10 18:57:22 CEST 2006


"Michele Simionato" <michele.simionato at gmail.com> writes:

> Ken Tilton wrote:
> > I was not thinking about the thread issue (of which I know little). The
> > big deal for Cells is the dynamic bit:
> >
> >     (let ((*dependent* me))
> >          (funcall (rule me) me))
> >
> > Then if a rule forces another cell to recalculate itself, *dependent*
> > gets rebound and (the fun part) reverts back to the original dependent
> > as soon as the scope of the let is exited.
> 
> Python 2.5 has a "with" statement (yes, the name is Lispish on purpose)
> that could be used to implement this. See
> http://www.python.org/dev/peps/pep-0343

You are mistaken.  In particular, VAR doesn't have dynamic scope.


/Jon

-- 
'j' - a n t h o n y at romeo/charley/november com



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