class leap
{
+ sys_seconds date_; // exposition only
+
public:
leap(const leap&) = default;
leap& operator=(const leap&) = default;
@@ -9917,6 +9919,225 @@ insertion. leap is equality and less-than comparable, both with it
with sys_time<Duration>.
+
+[Example:
+
+
+
+Here is the date of all of the leap second insertions at the time of this writing:
+
+
+ for (auto& l : get_tzdb().leaps)
+ cout << l.date() << '\n';
+
+
+which outputs:
+
+
+ 1972-07-01 00:00:00
+ 1973-01-01 00:00:00
+ 1974-01-01 00:00:00
+ 1975-01-01 00:00:00
+ 1976-01-01 00:00:00
+ 1977-01-01 00:00:00
+ 1978-01-01 00:00:00
+ 1979-01-01 00:00:00
+ 1980-01-01 00:00:00
+ 1981-07-01 00:00:00
+ 1982-07-01 00:00:00
+ 1983-07-01 00:00:00
+ 1985-07-01 00:00:00
+ 1988-01-01 00:00:00
+ 1990-01-01 00:00:00
+ 1991-01-01 00:00:00
+ 1992-07-01 00:00:00
+ 1993-07-01 00:00:00
+ 1994-07-01 00:00:00
+ 1996-01-01 00:00:00
+ 1997-07-01 00:00:00
+ 1999-01-01 00:00:00
+ 2006-01-01 00:00:00
+ 2009-01-01 00:00:00
+ 2012-07-01 00:00:00
+ 2015-07-01 00:00:00
+ 2017-01-01 00:00:00
+
+
+
+— end example]
+
+
+
+sys_seconds leap::date() const
+
+
+
+Returns: date_.
+
+
+
+
+bool operator==(const leap& x, const leap& y)
+
+
+
+Returns: x.date() == y.date().
+
+
+
+
+bool operator!=(const leap& x, const leap& y)
+
+
+
+Returns: !(x == y).
+
+
+
+
+bool operator<(const leap& x, const leap& y)
+
+
+
+Returns: x.date() < y.date().
+
+
+
+
+bool operator>(const leap& x, const leap& y)
+
+
+
+Returns: y < x.
+
+
+
+
+bool operator<=(const leap& x, const leap& y)
+
+
+
+Returns: !(y < x).
+
+
+
+
+bool operator>=(const leap& x, const leap& y)
+
+
+
+Returns: !(x < y).
+
+
+
+
+template <class Duration> bool operator==(const const leap& x, const sys_time<Duration>& y)
+
+
+
+Returns: x.date() == y.
+
+
+
+
+template <class Duration> bool operator==(const sys_time<Duration>& x, const leap& y)
+
+
+
+Returns: y == x.
+
+
+
+
+template <class Duration> bool operator!=(const leap& x, const sys_time<Duration>& y)
+
+
+
+Returns: !(x == y).
+
+
+
+
+template <class Duration> bool operator!=(const sys_time<Duration>& x, const leap& y)
+
+
+
+Returns: !(x == y).
+
+
+
+
+template <class Duration> bool operator< (const leap& x, const sys_time<Duration>& y)
+
+
+
+Returns: x.date() < y.
+
+
+
+
+template <class Duration> bool operator< (const sys_time<Duration>& x, const leap& y)
+
+
+
+Returns: x < y.date().
+
+
+
+
+template <class Duration> bool operator> (const leap& x, const sys_time<Duration>& y)
+
+
+
+Returns: y < x.
+
+
+
+
+template <class Duration> bool operator> (const sys_time<Duration>& x, const leap& y)
+
+
+
+Returns: y < x.
+
+
+
+
+template <class Duration> bool operator<=(const leap& x, const sys_time<Duration>& y)
+
+
+
+Returns: !(y < x).
+
+
+
+
+template <class Duration> bool operator<=(const sys_time<Duration>& x, const leap& y)
+
+
+
+Returns: !(y < x).
+
+
+
+
+template <class Duration> bool operator>=(const leap& x, const sys_time<Duration>& y)
+
+
+
+Returns: !(x < y).
+
+
+
+
+template <class Duration> bool operator>=(const sys_time<Duration>& x, const leap& y)
+
+
+
+Returns: !(x < y).
+
+
+