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Subject: Re: [boost] [generic programming] header file for general "default" operations for C++ classes
From: Gavin Lambert (gavinl_at_[hidden])
Date: 2016-05-04 20:17:48

On 5/05/2016 07:45, Walt Karas wrote:
> Yes, but there is not full overlap of the capabilities. Fusion doesn't seem
> to provide a way to define a class with access control, base classes, and
> member functions as a sequence. I'm assuming BOOST_FUSION_DEFINE_STRUCT has
> no runtime overhead, although I could not find and explicit statement to
> that effect.

If you put all the members that should participate in the comparison
into the fusion sequence, you can then wrap this sequence in another
class with base classes and other methods.

Depending on requirements, the fusion sequence could either be another
base class, or it could be a member of the wrapper class with the
wrapper class defining delegating operators for the comparisons.

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