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Re: Structure field concatenation [message #21648 is a reply to message #21614]

Wed, 06 September 2000 13:43

davidf
Messages: 2866
Registered: September 1996

Senior Member

J.D. Smith (jdsmith@astro.cornell.edu) writes:

> The best way to stay clear on the issue is to think about pointers as
> what they are: references to IDL variables which are exactly the same as any
> other variable except for being hidden ("on the heap") and persistent ("not
> cleaned up by function/procedure exits"). They do *not* point directly to
> memory (just as variables like "a" above don't directly map to memory --
> thankfully for us).

Hear! Hear!

Cheers,

David

P.S. Let's just say that if pointers *did* map directly to
memory, I could understand RSI's Unlimited Right to
Distribute pricing schedule. And even that probably
wouldn't be enough to hire all the technical support
people they would need. :-)

--
David Fanning, Ph.D.
Fanning Software Consulting
Phone: 970-221-0438 E-Mail: davidf@dfanning.com
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Toll-Free IDL Book Orders: 1-888-461-0155

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[Message index]

		Structure field concatenation By: Ben Tupper on Thu, 31 August 2000 08:02
		Re: Structure field concatenation By: davidf on Thu, 07 September 2000 07:31
		Re: Structure field concatenation By: John-David T. Smith on Mon, 11 September 2000 12:22
		Re: Structure field concatenation By: Amara Graps on Mon, 11 September 2000 04:04
		Re: Structure field concatenation By: Martin Schultz on Thu, 07 September 2000 00:46
		Re: Structure field concatenation By: John-David T. Smith on Mon, 11 September 2000 11:59
		Re: Structure field concatenation By: davidf on Wed, 06 September 2000 13:43
		Re: Structure field concatenation By: John-David T. Smith on Wed, 06 September 2000 13:34
		Re: Structure field concatenation By: davidf on Wed, 06 September 2000 08:24
		Re: Structure field concatenation By: Martin Schultz on Wed, 06 September 2000 08:13
		Re: Structure field concatenation By: davidf on Wed, 06 September 2000 07:35
		Re: Structure field concatenation By: Liam E. Gumley on Wed, 06 September 2000 07:26
		Re: Structure field concatenation By: Martin Schultz on Wed, 06 September 2000 07:16
		Re: Structure field concatenation By: Ben Tupper on Mon, 11 September 2000 15:28

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