30 Time library [time]

30.6 Class template time_point [time.point]

30.6.4 Arithmetic [time.point.arithmetic]

constexpr time_point& operator++();
Effects: Equivalent to: ++d_.
Returns: *this.
constexpr time_point operator++(int);
Effects: Equivalent to: return time_point{d_++};
constexpr time_point& operator--();
Effects: Equivalent to: --d_.
Returns: *this.
constexpr time_point operator--(int);
Effects: Equivalent to: return time_point{d_--};
constexpr time_point& operator+=(const duration& d);
Effects: Equivalent to: d_ += d.
Returns: *this.
constexpr time_point& operator-=(const duration& d);
Effects: Equivalent to: d_ -= d.
Returns: *this.