[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[Gcl-devel] Re: [Axiom-developer] common-lisp and GCL-2.6.8pre *features

From: Stephen Wilson
Subject: [Gcl-devel] Re: [Axiom-developer] common-lisp and GCL-2.6.8pre *features*
Date: 11 Aug 2007 21:23:27 -0400
User-agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.4

Gabriel Dos Reis <address@hidden> writes:
> >(member :common-lisp *features*)
> >(member :gcl *features*)
> >#-:common-lisp foo
> Error: The variable FOO is unbound.
> Fast links are on: do (si::use-fast-links nil) for debugging
> Error signalled by EVAL.
> Broken at EVAL.  Type :H for Help.
> I would have expected the system NOT to try to evaluate foo.

>From the hyperspec:

  #- is like #+ except that it skips the expression if the test succeeds; that 

  #-test expression ==  #+(not test) expression

In other words, "#-:common-lisp foo"  means "evaluate foo iff
:common-lisp is not on *features*". 


reply via email to

[Prev in Thread] Current Thread [Next in Thread]