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From: Doug Gregor (gregod_at_[hidden])
Date: 2004-06-08 09:21:48

On Jun 7, 2004, at 7:01 PM, Trey Jackson wrote:
> I'm unfamiliar with typeid - and how it's implemented.
> Does anyone have good pointers to how typeid is generally implemented?
> Or even specifically: I'm using gcc3.x on RH Linux.

It's typically a virtual function call. The only performance problem
I'd expect is due to comparison of typids, which in many cases must
resort to a string comparison of the type names.


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