[Openmcl-devel] LOOP parallel for/as termination eval order issue.

Pascal J. Bourguignon pjb at informatimago.com
Sun Oct 17 12:39:22 PDT 2010

Kaz Kylheku <kaz at kylheku.com> writes:

> Hi all,
> The following for returns nil in CCL and Allegro, but (1 2 3) in
> Clisp.
> (loop for x in nil and y = '(1 2 3) then (cdr y) finally (return y))
> My expectation is that the CLISP behavior is right, because
> [...]
> When major implementations get stuff like this wrong, no wonder
> Lispers eschew LOOP (or include their own LOOP macro in the
> code base).

Or choose to use clisp.

__Pascal Bourguignon__                     http://www.informatimago.com/

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