STD_SET_UNEXPECTED.cpp

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// checking for std::set_unexpected()
 
 
#include "config.h"
 
 
#ifdef _RWSTD_NO_EXCEPTION_SPECIFICATION
 
#  define throw()
 
#endif   // _RWSTD_NO_EXCEPTION_SPECIFICATION
 
// will fail if namespaces aren't supported
namespace std {
 
typedef void (*unexpected_handler)();
 
// looking for a definition in compiler support library
unexpected_handler set_unexpected (unexpected_handler) throw ();
 
}
 
// will cause an ambiguity if namespace std isn't being honored
int set_unexpected ();
 
void handler () { }
 
int main (int argc, char *argv[])
{
    if (argc > 1) {
        std::unexpected_handler save = std::set_unexpected (handler);
 
        return save == handler;
    }
 
    return 0;
}