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Re: Passing optional parameters through a wrapper routine [message #18887 is a reply to message #18840]

Fri, 11 February 2000 00:00

John-David T. Smith is currently offline

John-David T. Smith
Messages: 384
Registered: January 2000

Senior Member

David Fanning wrote:
>
> J.D. Smith (jdsmith@astro.cornell.edu) writes:
>
>> Another side-benefit of arg_present() is that you can use it to annoy David
>> Fanning by forcing him to contradict bold statements such as "it is NOT possible
>> to reliably determine if a keyword was used in a call to your program", when in
>> fact the test:
>>
>> n_elements(k) ne 0 OR arg_present(k)
>>
>> will tell you precisely this ;).
>
> Actually, I've toned the rhetoric down in my IDL
> courses, even if I haven't gotten around to updating
> my web pages.
>
> I now say "It's NOT possible to reliably determine if
> a keyword was used in a call, without resorting to a
> bunch of nonsense I can never remember and you
> shouldn't have to worry about anyway if you do it
> the way I'm telling you." :-)
>

See, I told you it annoys him :)

JD

--
J.D. Smith |*| WORK: (607) 255-5842
Cornell University Dept. of Astronomy |*| (607) 255-6263
304 Space Sciences Bldg. |*| FAX: (607) 255-5875
Ithaca, NY 14853 |*|

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[Message index]

		Passing optional parameters through a wrapper routine By: bowman on Tue, 08 February 2000 00:00
		Re: Passing optional parameters through a wrapper routine By: thompson on Mon, 14 February 2000 00:00
		Re: Passing optional parameters through a wrapper routine By: John-David T. Smith on Fri, 11 February 2000 00:00
		Re: Passing optional parameters through a wrapper routine By: davidf on Fri, 11 February 2000 00:00
		Re: Passing optional parameters through a wrapper routine By: John-David T. Smith on Fri, 11 February 2000 00:00
		Re: Passing optional parameters through a wrapper routine By: Martin Schultz on Fri, 11 February 2000 00:00
		Re: Passing optional parameters through a wrapper routine By: thompson on Thu, 10 February 2000 00:00
		Re: Passing optional parameters through a wrapper routine By: edward.s.meinel on Thu, 10 February 2000 00:00
		Re: Passing optional parameters through a wrapper routine By: Mark Hadfield on Thu, 10 February 2000 00:00
		Re: Passing optional parameters through a wrapper routine By: davidf on Wed, 09 February 2000 00:00
		Re: Passing optional parameters through a wrapper routine By: Craig Markwardt on Wed, 09 February 2000 00:00
		Re: Passing optional parameters through a wrapper routine By: davidf on Wed, 09 February 2000 00:00

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