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From: Peter Dimov (pdimov_at_[hidden])
Date: 2005-02-01 05:21:22

Dave Handley wrote:
> Peter Dimov wrote:
>> Can you separate the interface and implementation parts of the
>> policy into two classes, then inherit publicly from policy_interface
>> and privately from
>> policy_implementation?
> Unfortunately not, the policy has to be able to generate shared
> pointers from itself - hence it needs access to shared_from_this. If I
> used a
> multiple inheritance solution, I would be forced to dynamic_cast
> across to the enable_shared_from_this class, which I don't want to do.

In this case, I see no other solution except making the inheritance from the
policy public and making all of its members protected.

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