TTimeSpan operator-(const TDateTime& other){ time_t dt1 = GetUnixTimestamp(); time_t dt2 = other.GetUnixTimestamp(); if (dt2>dt1) swap(dt1, dt2); time_t dtr = dt1 - dt2; TTimeSpan temp(dtr); return temp; }
bool operator < (const TDateTime &other){ return (GetUnixTimestamp()< other.GetUnixTimestamp()); }