#include <boost/parameter/name.hpp>
#include <boost/parameter/binding.hpp>

BOOST_PARAMETER_NAME(my_param)

template <typename T> struct s {};

struct bogus {
  typedef void boost_parameter_use_template_call;
  template <typename U> struct result: public s<U> {};
  template <typename Arg>
  typename result<bogus(Arg)>::type
  operator()(Arg) const {return 0;}
};

template <typename ArgPack>
void f(const ArgPack& ap) {
  const char* cs = ap[_my_param || bogus()];
}

int main(int, char**) {
  f(_my_param = "param");
  return 0;
}