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LWG Poll 8: P1981R0 Rename leap to leap_second #3760

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Feb 29, 2020
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LWG Poll 8: P1981R0 Rename leap to leap_second #3760

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100 changes: 50 additions & 50 deletions source/time.tex
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Original file line number Diff line number Diff line change
Expand Up @@ -770,32 +770,32 @@
const zoned_time<Duration, TimeZonePtr>& t);

// \ref{time.zone.leap}, leap second support
class leap;
class leap_second;

bool operator==(const leap& x, const leap& y);
strong_ordering operator<=>(const leap& x, const leap& y);
bool operator==(const leap_second& x, const leap_second& y);
strong_ordering operator<=>(const leap_second& x, const leap_second& y);

template<class Duration>
bool operator==(const leap& x, const sys_time<Duration>& y);
bool operator==(const leap_second& x, const sys_time<Duration>& y);
template<class Duration>
bool operator< (const leap& x, const sys_time<Duration>& y);
bool operator< (const leap_second& x, const sys_time<Duration>& y);
template<class Duration>
bool operator< (const sys_time<Duration>& x, const leap& y);
bool operator< (const sys_time<Duration>& x, const leap_second& y);
template<class Duration>
bool operator> (const leap& x, const sys_time<Duration>& y);
bool operator> (const leap_second& x, const sys_time<Duration>& y);
template<class Duration>
bool operator> (const sys_time<Duration>& x, const leap& y);
bool operator> (const sys_time<Duration>& x, const leap_second& y);
template<class Duration>
bool operator<=(const leap& x, const sys_time<Duration>& y);
bool operator<=(const leap_second& x, const sys_time<Duration>& y);
template<class Duration>
bool operator<=(const sys_time<Duration>& x, const leap& y);
bool operator<=(const sys_time<Duration>& x, const leap_second& y);
template<class Duration>
bool operator>=(const leap& x, const sys_time<Duration>& y);
bool operator>=(const leap_second& x, const sys_time<Duration>& y);
template<class Duration>
bool operator>=(const sys_time<Duration>& x, const leap& y);
bool operator>=(const sys_time<Duration>& x, const leap_second& y);
template<class Duration>
requires three_way_comparable_with<sys_seconds, sys_time<Duration>>
constexpr auto operator<=>(const leap& x, const sys_time<Duration>& y);
constexpr auto operator<=>(const leap_second& x, const sys_time<Duration>& y);

// \ref{time.zone.link}, class \tcode{link}
class link;
Expand Down Expand Up @@ -8710,10 +8710,10 @@
\begin{codeblock}
namespace std::chrono {
struct tzdb {
string version;
vector<time_zone> zones;
vector<link> links;
vector<leap> leaps;
string version;
vector<time_zone> zones;
vector<link> links;
vector<leap_second> leap_seconds;

const time_zone* locate_zone(string_view tz_name) const;
const time_zone* current_zone() const;
Expand Down Expand Up @@ -10090,17 +10090,17 @@
\tcode{os}.
\end{itemdescr}

\rSec2[time.zone.leap]{Class \tcode{leap}}
\rSec2[time.zone.leap]{Class \tcode{leap_second}}

\rSec3[time.zone.leap.overview]{Overview}
\indexlibraryglobal{leap}
\indexlibraryglobal{leap_second}

\begin{codeblock}
namespace std::chrono {
class leap {
class leap_second {
public:
leap(const leap&) = default;
leap& operator=(const leap&) = default;
leap_second(const leap_second&) = default;
leap_second& operator=(const leap_second&) = default;

// unspecified additional constructors

Expand All @@ -10111,14 +10111,14 @@
\end{codeblock}

\pnum
Objects of type \tcode{leap} representing
Objects of type \tcode{leap_second} representing
the date and value of the leap second insertions
are constructed and stored in the time zone database when initialized.

\pnum
\begin{example}
\begin{codeblock}
for (auto& l : get_tzdb().leaps)
for (auto& l : get_tzdb().leap_seconds)
if (l <= 2018y/March/17d)
cout << l.date() << ": " << l.value() << '\n';
\end{codeblock}
Expand Down Expand Up @@ -10158,7 +10158,7 @@

\rSec3[time.zone.leap.members]{Member functions}

\indexlibrarymember{date}{leap}%
\indexlibrarymember{date}{leap_second}%
\begin{itemdecl}
constexpr sys_seconds date() const noexcept;
\end{itemdecl}
Expand All @@ -10169,7 +10169,7 @@
The date and time at which the leap second was inserted.
\end{itemdescr}

\indexlibrarymember{value}{leap}%
\indexlibrarymember{value}{leap_second}%
\begin{itemdecl}
constexpr seconds value() const noexcept;
\end{itemdecl}
Expand All @@ -10186,9 +10186,9 @@

\rSec3[time.zone.leap.nonmembers]{Non-member functions}

\indexlibrarymember{operator==}{leap}%
\indexlibrarymember{operator==}{leap_second}%
\begin{itemdecl}
constexpr bool operator==(const leap& x, const leap& y) noexcept;
constexpr bool operator==(const leap_second& x, const leap_second& y) noexcept;
\end{itemdecl}

\begin{itemdescr}
Expand All @@ -10197,9 +10197,9 @@
\tcode{x.date() == y.date()}.
\end{itemdescr}

\indexlibrarymember{operator<=>}{leap}%
\indexlibrarymember{operator<=>}{leap_second}%
\begin{itemdecl}
constexpr strong_ordering operator<=>(const leap& x, const leap& y) noexcept;
constexpr strong_ordering operator<=>(const leap_second& x, const leap_second& y) noexcept;
\end{itemdecl}

\begin{itemdescr}
Expand All @@ -10208,11 +10208,11 @@
\tcode{x.date() <=> y.date()}.
\end{itemdescr}

\indexlibrarymember{operator==}{leap}%
\indexlibrarymember{operator==}{leap_second}%
\indexlibrarymember{operator==}{sys_time}%
\begin{itemdecl}
template<class Duration>
constexpr bool operator==(const leap& x, const sys_time<Duration>& y) noexcept;
constexpr bool operator==(const leap_second& x, const sys_time<Duration>& y) noexcept;
\end{itemdecl}

\begin{itemdescr}
Expand All @@ -10221,11 +10221,11 @@
\tcode{x.date() == y}.
\end{itemdescr}

\indexlibrarymember{operator<}{leap}%
\indexlibrarymember{operator<}{leap_second}%
\indexlibrarymember{operator<}{sys_time}%
\begin{itemdecl}
template<class Duration>
constexpr bool operator<(const leap& x, const sys_time<Duration>& y) noexcept;
constexpr bool operator<(const leap_second& x, const sys_time<Duration>& y) noexcept;
\end{itemdecl}

\begin{itemdescr}
Expand All @@ -10234,11 +10234,11 @@
\tcode{x.date() < y}.
\end{itemdescr}

\indexlibrarymember{operator<}{leap}%
\indexlibrarymember{operator<}{leap_second}%
\indexlibrarymember{operator<}{sys_time}%
\begin{itemdecl}
template<class Duration>
constexpr bool operator<(const sys_time<Duration>& x, const leap& y) noexcept;
constexpr bool operator<(const sys_time<Duration>& x, const leap_second& y) noexcept;
\end{itemdecl}

\begin{itemdescr}
Expand All @@ -10247,11 +10247,11 @@
\tcode{x < y.date()}.
\end{itemdescr}

\indexlibrarymember{operator>}{leap}%
\indexlibrarymember{operator>}{leap_second}%
\indexlibrarymember{operator>}{sys_time}%
\begin{itemdecl}
template<class Duration>
constexpr bool operator>(const leap& x, const sys_time<Duration>& y) noexcept;
constexpr bool operator>(const leap_second& x, const sys_time<Duration>& y) noexcept;
\end{itemdecl}

\begin{itemdescr}
Expand All @@ -10260,11 +10260,11 @@
\tcode{y < x}.
\end{itemdescr}

\indexlibrarymember{operator>}{leap}%
\indexlibrarymember{operator>}{leap_second}%
\indexlibrarymember{operator>}{sys_time}%
\begin{itemdecl}
template<class Duration>
constexpr bool operator>(const sys_time<Duration>& x, const leap& y) noexcept;
constexpr bool operator>(const sys_time<Duration>& x, const leap_second& y) noexcept;
\end{itemdecl}

\begin{itemdescr}
Expand All @@ -10273,11 +10273,11 @@
\tcode{y < x}.
\end{itemdescr}

\indexlibrarymember{operator<=}{leap}%
\indexlibrarymember{operator<=}{leap_second}%
\indexlibrarymember{operator<=}{sys_time}%
\begin{itemdecl}
template<class Duration>
constexpr bool operator<=(const leap& x, const sys_time<Duration>& y) noexcept;
constexpr bool operator<=(const leap_second& x, const sys_time<Duration>& y) noexcept;
\end{itemdecl}

\begin{itemdescr}
Expand All @@ -10286,11 +10286,11 @@
\tcode{!(y < x)}.
\end{itemdescr}

\indexlibrarymember{operator<=}{leap}%
\indexlibrarymember{operator<=}{leap_second}%
\indexlibrarymember{operator<=}{sys_time}%
\begin{itemdecl}
template<class Duration>
constexpr bool operator<=(const sys_time<Duration>& x, const leap& y) noexcept;
constexpr bool operator<=(const sys_time<Duration>& x, const leap_second& y) noexcept;
\end{itemdecl}

\begin{itemdescr}
Expand All @@ -10299,11 +10299,11 @@
\tcode{!(y < x)}.
\end{itemdescr}

\indexlibrarymember{operator>=}{leap}%
\indexlibrarymember{operator>=}{leap_second}%
\indexlibrarymember{operator>=}{sys_time}%
\begin{itemdecl}
template<class Duration>
constexpr bool operator>=(const leap& x, const sys_time<Duration>& y) noexcept;
constexpr bool operator>=(const leap_second& x, const sys_time<Duration>& y) noexcept;
\end{itemdecl}

\begin{itemdescr}
Expand All @@ -10312,11 +10312,11 @@
\tcode{!(x < y)}.
\end{itemdescr}

\indexlibrarymember{operator>=}{leap}%
\indexlibrarymember{operator>=}{leap_second}%
\indexlibrarymember{operator>=}{sys_time}%
\begin{itemdecl}
template<class Duration>
constexpr bool operator>=(const sys_time<Duration>& x, const leap& y) noexcept;
constexpr bool operator>=(const sys_time<Duration>& x, const leap_second& y) noexcept;
\end{itemdecl}

\begin{itemdescr}
Expand All @@ -10325,12 +10325,12 @@
\tcode{!(x < y)}.
\end{itemdescr}

\indexlibrarymember{operator<=>}{leap}%
\indexlibrarymember{operator<=>}{leap_second}%
\indexlibrarymember{operator<=>}{sys_time}%
\begin{itemdecl}
template<class Duration>
requires three_way_comparable_with<sys_seconds, sys_time<Duration>>
constexpr auto operator<=>(const leap& x, const sys_time<Duration>& y) noexcept;
constexpr auto operator<=>(const leap_second& x, const sys_time<Duration>& y) noexcept;
\end{itemdecl}

\begin{itemdescr}
Expand Down