gistfile1.hpp

template<size_t (curl::*Method)(void *, size_t, size_t, void *)>
static size_t curl::c_handle_curl(void *ptr, size_t size, size_t nmemb, void *stream) {
  curl *self = static_cast<curl*>(ptr);
  return (self->*Method)(ptr, size, nmemb, stream);
}

foo ( &curl::c_handle_curl<&curl::method_name> );