how to determine a runtime type faster?

[Daniel Keep]

davidl wrote:
> module funky.super.meaningless.modulename;
> class base
> {
> }
> class derive:base
> {
> }
> void main()
> {
>     derive instance= new derive;
>     base castedinstance=instance;
>     // notice the following would result a super long string comparision
> , which is not so good.
>     //
> `funky.super.meaningless.modulename.derive`==`funky.super.meaningless.modulename.derive`
> 
>     assert(castedinstance.classinfo.name==derive.classinfo.name);
> 
> }
> the idea is castedinstance.classinfo.runtimeid?
> the runtimeid could generated by the compiler and with some proper
> design about object.d , i think
> the comparision could be faster

Have you tried comparing the classinfo directly?  I have a feeling they
should be the same for every instance of a particular class...

	-- Daniel

-- 
int getRandomNumber()
{
    return 4; // chosen by fair dice roll.
              // guaranteed to be random.
}

http://xkcd.com/

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