[Boost-users] [Fusion] Output of adapted ADT

8 Apr 2011

      Hi,

I'm trying to output a string from an adapted class, but I'm getting
1>main.cpp(33): error C2679: binary '<<' : no operator found which
takes a right-hand operand of type
'boost::fusion::extension::adt_attribute_proxy<foo,0,false>' (or there
is no acceptable conversion)
for the following code (boost 1_46_1, msvc2010)

Is there a header I'm missing? Very similar code works for
BOOST_FUSION_DEFINE_STRUCT - and using ints or doubles also work...

#include <iostream>
#include <string>
#include <ostream>

#include <boost/fusion/include/adapted.hpp>
#include <boost/fusion/sequence.hpp>

class foo
{
public:
	foo(std::string const& str)
		: s(str)
	{
	}

	std::string const& get_s() const { return s; }
	void set_s(std::string const& str) { s = str; }
private:
	std::string s;
};

BOOST_FUSION_ADAPT_ADT(
	foo,
	(std::string const&, std::string const&, obj.get_s(), obj.set_s(val))
	);

int main(int argc, char* argv[])
{
	foo f("foo");
	std::cout << boost::fusion::front(f) << std::endl;
	return EXIT_SUCCESS;
}

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