46 lines
1.3 KiB
C++
46 lines
1.3 KiB
C++
/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
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// demo_pimpl_A.cpp
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// (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
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// Use, modification and distribution is subject to the Boost Software
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// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#include <boost/archive/text_iarchive.hpp>
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#include <boost/archive/text_oarchive.hpp>
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#include "demo_pimpl_A.hpp"
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// "hidden" definition of class B
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struct B {
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int b;
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template<class Archive>
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void serialize(Archive & ar, const unsigned int /* file_version */){
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ar & b;
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}
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};
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A::A() :
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pimpl(new B)
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{}
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A::~A(){
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delete pimpl;
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}
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// now we can define the serialization for class A
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template<class Archive>
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void A::serialize(Archive & ar, const unsigned int /* file_version */){
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ar & pimpl;
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}
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// without the explicit instantiations below, the program will
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// fail to link for lack of instantiantiation of the above function
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// note: the following failed to fix link errors for vc 7.0 !
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template void A::serialize<boost::archive::text_iarchive>(
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boost::archive::text_iarchive & ar,
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const unsigned int file_version
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);
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template void A::serialize<boost::archive::text_oarchive>(
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boost::archive::text_oarchive & ar,
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const unsigned int file_version
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);
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