I have a structure
typedef struct A
{
int a;
int b;
char * c;
}aA;
I want to iterate over each an every member of the structure
As suggested by @Paul I use BOOST_FUSION_ADAPT_STRUCT with a self written for_each_member function :
/**
* \brief Allows iteration on member name and values of a Fusion adapted struct.
*
*
* BOOST_FUSION_ADAPT_STRUCT(ns::point,
* (int, x)
* (int, y)
* (int, z));
*
* template
* print_name_and_value(const char* name, T& value) const {
* std::cout << name << "=" << value << std::endl;
* }
*
*
* int main(void) {
*
* ns::point mypoint;
*
*
* boost::fusion::for_each_member(mypoint, &print_name_and_value);
*
*
* }
*
*/
#ifndef BOOST_FUSION_FOR_EACH_MEMBER_HPP
#define BOOST_FUSION_FOR_EACH_MEMBER_HPP
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
namespace boost { namespace fusion {
namespace detail {
template
inline void
for_each_member_linear(First const& first,
Last const& last,
F const& f,
boost::mpl::true_) {}
template
inline void
for_each_member_linear(First const& first,
Last const& last,
F const& f,
boost::mpl::false_) {
f(
extension::struct_member_name<
typename First::seq_type, First::index::value
>::call(),
*first
);
for_each_member_linear(
next(first),
last,
f,
result_of::equal_to< typename result_of::next::type, Last>()
);
}
template
inline void
for_each_member(Sequence& seq, F const& f) {
detail::for_each_member_linear(
fusion::begin(seq),
fusion::end(seq),
f,
result_of::equal_to<
typename result_of::begin::type,
typename result_of::end::type>()
);
}
}
template
inline void
for_each_member(Sequence& seq, F f) {
detail::for_each_member(seq, f);
}
}}
#endif