Pierre Joye a écrit :
On Mon, Nov 16, 2009 at 12:07 PM, Mathieu Suen
<mathieu.s...@easyflirt.com> wrote:
• Pensez à l'environnement, n'imprimez cet e-mail qu'en cas de réelle
nécessité
Discussing endlessly an issue only because you do not understand it is
also an environmental problem, please consider to read the manual and
stop to use every single channel to ask the same questions again and
again.
Salutations,
That's not a question, look at what lisp dose and scheme.
Look at the lambda calculus etc.
The variable inside the foreach should not be captured outside.
Like function argument. And again and again you are doing the same
mistake:
"Dynamic scoping is primarily interesting as a historical mistake: it
was in the earliest versions of Lisp,
and persisted for well over a decade. Scheme was created as an
experimental language in part to experiment
with static scope. This was such a good idea that eventually, even
Common Lisp adopted static scope.
Most modern languages are statically scoped, but sometimes they make the
mistake of recapitulating this
phylogeny. So-called “scripting” languages, in particular, often make
the mistake of implementing dynamic
scope (or the lesser mistake of just failing to create closures), and
must go through multiple iterations before
they eventually implement static scope correctly."
- Shriram Krishnamurthi, "Programming Languages:
Application and Interpretation" section 6.5:
-- Mathieu Suen
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