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Re: Ellipsis in IDL? [message #40115 is a reply to message #40113]

Wed, 21 July 2004 21:37

Michael Wallace
Messages: 409
Registered: December 2003

Senior Member

> You can't do exactly that, but you can write a routine to accept a large
> number of arguments (better called positional parameters) and then use
> the various inquiry functions (like N_PARAMS, SIZE, N_ELEMENTS &
> ARG_PRESENT) in your code to handle the different cases.

Ah, I see. I think I can work with this. I don't expect to ever have
more than eight or so argu-- positional parameters. I have used SIZE
and N_ELEMENTS in the past, but I had never run across N_PARAMS until
now. That greatly simplifies things. It's a good thing you mentioned
it or I probably would have written my own. ;-) I say that because one
time I got part of the way through writing my own KEYWORD_SET type of
function before realizing that IDL already had it's own handy
KEYWORD_SET function.

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[Message index]

		Re: Ellipsis in IDL? By: Jeff Guerber on Thu, 22 July 2004 14:46
		Re: Ellipsis in IDL? By: Mark Hadfield on Wed, 21 July 2004 21:58
		Re: Ellipsis in IDL? By: Michael Wallace on Wed, 21 July 2004 21:37
		Re: Ellipsis in IDL? By: Mark Hadfield on Wed, 21 July 2004 17:00
		Re: Ellipsis in IDL? By: David Fanning on Wed, 21 July 2004 16:17
		Re: Ellipsis in IDL? By: Michael Wallace on Wed, 21 July 2004 16:16
		Re: Ellipsis in IDL? By: David Fanning on Wed, 21 July 2004 16:10

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