NULL indicator in Variant
Steve Teale
steve.teale at britseyeview.com
Thu Oct 27 06:54:08 PDT 2011
>
> I'm not sure having three possible states in Variant is a good idea, but
> maybe I'm not quite following.
>
> Doesn't it already carry type information when not set to a value?
>
> - Alex
Don't believe so. If you haven't set any value, hasValue() will return
false, so it is kind of null, and it is not associated with a type - how
would it know?
Steve
More information about the Digitalmars-d
mailing list