From: ruhl@4dv.net (Robert Uhl <ruhl@4dv.net>)
Subject: Re: macro like "my" in Perl
Date: 25 Jun 2002 17:16:50 -0600 [thread overview]
Message-ID: <m3k7ont0d9.fsf@latakia.dyndns.org> (raw)
In-Reply-To: <m3lm933ssd.fsf@multivac.cwru.edu>
prj@po.cwru.edu (Paul Jarc) writes:
>
> I'm looking for something like Perl's "my": something that adds a
> binding to the current environment (like internal defines), gives an
> error for multiple uses of the same symbol in a single scope (like
> internal defines and let), and lets previously-defined variables be
> used in values for later bindings (like let*). I expect I'll have to
> wrap the whole scope with a special macro, but I'd like to avoid
> having each definition wrap everything that comes after it. Is there
> anything like this already out there?
Sounds like yet another job for bound?. Essentially, one could simply
write a little macro which checks if something is bound, erroring if
so, otherwise defining it and then doing something else.
--
Robert Uhl <ruhl@4dv.net>
The power of Satan is as nothing before the might of the Lord, so don't
go getting any ideas. --I Abyssinians 20:20
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next prev parent reply other threads:[~2002-06-25 23:16 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-06-25 22:19 macro like "my" in Perl Paul Jarc
2002-06-25 23:16 ` Robert Uhl <ruhl@4dv.net> [this message]
2002-06-26 2:25 ` Alex Shinn
2002-06-26 13:15 ` Ken Anderson
2002-06-26 14:45 ` Lynn Winebarger
2002-07-02 15:34 ` Ken Anderson
2002-06-26 14:44 ` Lynn Winebarger
2002-06-27 1:28 ` Alex Shinn
2002-07-12 20:43 ` Paul Jarc
2002-07-13 0:09 ` Neil Jerram
2002-07-13 20:48 ` Paul Jarc
2002-07-16 20:49 ` Neil Jerram
2002-07-16 21:05 ` Paul Jarc
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