std::ostream & operator<<(std::ostream &os, const TrkHistory &history)
TrkHistory(const TrkErrCode &err, const char *modname)
void print(std::ostream &os=std::cout) const
TrkHistory & operator=(const TrkHistory &other)
const TrkErrCode & status() const
bool operator==(const TrkHistory &other) const
TrkHistory(const TrkHistory &other)