Re: unresolved external symbol with static variable?
JSprenkle@gmail.com <JSprenkle@gmail.com> wrote:
In the faq the authors says:
"The map is typically populated during static initialization. For
example, if file Ellipse.cpp contains the code for derived class
Ellipse, it would also contain a static object whose ctor adds that
class to the map: theMap["Ellipse"] = new Ellipse()."
What is he trying to say here?
Any help would be appreciated.
I think he is saying create:
// Ellipsis.cp
#include "Ellispsis.hpp"
#include "Serialize.hpp" // for extern std::map<...> theMap;
namespace
{
struct add_to_map
{
add_to_map()
{
theMap["Ellipsis"] = new Ellipsis();
}
};
add_to_map foo;
}
// impliment ellipsis don't use foo anyplace in this file
// end of file
At least that is a literal translation.
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