Re: [Boost-users] Need boost's help with poor design

From: Robert Dailey (rcdailey_at_[hidden])
Date: 2008-03-29 18:47:57

On Sat, Mar 29, 2008 at 3:58 PM, Steven Watanabe <watanabesj_at_[hidden]>
wrote:

> AMDG
>
> Robert Dailey wrote:
> > Well I'm not 100% sure of the performance impact RTTI will have on the
> > application. What I've read is that RTTI can get very expensive in
> > terms of executable size if you have a lot of classes in your
> application.
>
> You should be able to switch between using RTTI and using ID's in the
> dispatcher with
> a few lines of code.  *Measure the difference* before making decisions
> for performance
> considerations.
>
> > Unfortunately I don't think I could get away with using strings since
> > the network is assigning integral values to the packets in order to
> > uniquely identify them.
> Of course, if you need the ID's around anyway for other reasons, they are
> not a problem.  I wouldn't expend Herculean efforts to eliminate them.
>
> > I like the string idea because it doesn't have the repetitive code in
> > each derived class (the overridden GetID method that will be the same
> > in each derived class).
>
> struct WalkPacket : CRTPPacket<WalkPacket, PID_WALKPACKET> {}; ?

What exactly is this structure supposed to present?