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Re: openr and /get_lun [message #19870 is a reply to message #19741]

Mon, 17 April 2000 00:00

mallors
Messages: 76
Registered: November 1997

Member

In article <38FB4B75.936477C5@astro.cornell.edu>,
"J.D. Smith" <jdsmith@astro.cornell.edu> writes:
> "Robert S. Mallozzi" wrote:
>>
>> I sure wish we had a boolean datatype - the mistake of
>> using something like "IF (NOT error) THEN" is one that
>> is really a pain to find, although it certainly makes
>> your code much more readable.
>
> We don't need a boolean data type... we need IF to examine not just the first
> bit of the value, but the whole thing, and use C's 0=false, anything else =true
> paradigm. Here's hoping.
>
> if NOT 2 then print,"this isn't right!"

This would certainly break backward compatibility - there
has to be someone, somewhere that relies on the fact that in
IDL, odd = true and even = false ! I feel as you do that this
was a design mistake made a long time ago, in a programmer's
mind far, far away...

Regards,

-bob

--
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Robert S. Mallozzi 256-544-0887
Mail Code SD 50
http://gammaray.msfc.nasa.gov/ Marshall Space Flight Center
http://cspar.uah.edu/~mallozzir/ Huntsville, AL 35812
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[Message index]

		openr and /get_lun By: Craig Markwardt on Fri, 14 April 2000 00:00
		Re: openr and /get_lun By: Joseph B. Gurman on Thu, 20 April 2000 00:00
		Re: openr and /get_lun By: John-David T. Smith on Mon, 17 April 2000 00:00
		Re: openr and /get_lun By: mallors on Mon, 17 April 2000 00:00
		Re: openr and /get_lun By: mallors on Mon, 17 April 2000 00:00
		Re: openr and /get_lun By: Craig Markwardt on Mon, 17 April 2000 00:00
		Re: openr and /get_lun By: John-David T. Smith on Mon, 17 April 2000 00:00

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