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Re: tri-state flags
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From:
Uri Guttman
Date:
December 6, 2001 21:32
Subject:
Re: tri-state flags
Message ID:
200112070531.AAA29554@home.sysarch.com.
>>>>> "BL" == Bart Lateur <bart.lateur@pandora.be> writes:
BL> On Thu, 6 Dec 2001 02:56:58 -0500, Uri Guttman wrote:
>> so the main boolean test is ref!
BL> Thank goodness that ref() doesn't generate a warning when used with
BL> undef as a parameter.
hmm, i never looked into that. when i have my tristate values, i usually
test for undef first, then ref. i will look into seeing if it is neater
using the ref test first, then a plain boolean test for the error string
and then the last line assuming undef was returned.
uri
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