On Fri, 29 Nov 2013, Tony Van Eerd wrote:
in the cases I am looking at, if isValid() == false, then all the other properties are invalid, and return "", -1, etc. It really does mean the whole object is invalid.(except maybe an 'id', in the case of, say, a Battery object - the id telling you which battery, and then isValid() saying that battery doesn't (currently) exist.)
Why not use exists, present, active or something like it? But a C++ object for a physical object that does not exist... why is it there in the first place?
Harri.
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