Re: [Boost-users] [variant] Efficiency

Subject: Re: [Boost-users] [variant] Efficiency
From: Steven Watanabe (watanabesj_at_[hidden])
Date: 2009-04-04 10:41:07

AMDG

Olivier Tournaire wrote:
> I need to store in a class an object which type is within a predefined set.
> As I would like to avoid the overhead of virtual functions, I am wondering
> if variant could help me. Moreover, I would like to know what is the runtime
> cost of using such a type (instead of base class pointers), and the cost of
> the apply_visitor.
>   

The cost is apply_visitor is approximately that of a switch statement.

In Christ,
Steven Watanabe