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To null or not to null?	by Khaar	2009-01-29 02:19:43
NULL should get the job done	by Bedda	2009-01-29 04:10:51
I can't imagine any scenario where NULL should be a accepted value but if it is so in your case i would go for something like B. Generate an object which has your numeric variable and a bool. Make sure the numeric variable is protected and create simple Set and get methods for it. They you still need to check the boolean but at least you can be sure that noone forgets to set the boolean when the numeric variable is set. In my opinion if (variable == NULL) blablabla; is more "eyefriendly" than variable.set(blabla) variable.get(blabla)
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