自定义std::set比较函数的例子

自定义std::set比较函数的例子

struct GenStatus
{
DWORD dwId;
DWORD dwLastHitTick;

GenStatus() : dwId(0), dwLastHitTick(0){}
static unsigned int inline GetRefeshInterval() {return T_REFRESH_TIME;}
bool CheckRefreshTime(){return GetTickCount() - dwLastHitTick > GetRefeshInterval();}
};

typedef struct GenStatus *PGenStatus;
struct Comp_GenStatus
{
bool operator()(const PGenStatus p1, const PGenStatus p2) const
{
return p1->dwId - p2->dwId < 0;
}
};

typedef std::set<PGenStatus, Comp_GenStatus> GEN__STATUS_SET;
typedef std::map<PGenStatus, Comp_GenStatus> GEN__STATUS_MAP;