std::chrono::leap_second(3)

✨ std::chrono::leap_second(3) — C++ Standard Library ✨

okay bestie, buckle up, because we're talking about the manual page for std::chrono::leap_second in the C++ Standard Library, and it's giving tiny-but-mighty class energy 🕰️💅

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📛 NAME 📛

std::chrono::leap_second — literally std::chrono::leap_second, that's the whole name, no notes, we love a self-titled icon 👑

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🌸 Synopsis 🌸

Defined in header <chrono>:

class leap_second;          (since C++20)

So the class leap_second represents the date and time of a leap second insertion. Yes, that kind of leap second. Timekeeping's favorite little plot twist ⏳✨

And here's the tea: users cannot construct leap_second objects except by copying from existing leap_second objects. No DIY, no "I'll just make one myself", none of that 🙅‍♀️ The library implementation creates leap_second objects when it initializes the time zone database, and it provides const access to these objects. So you get to look, not touch — very museum exhibit, very "do not tap the glass" 🖼️👀

Also, leap_second has a defaulted copy constructor and a defaulted copy assignment operator. Copying? Allowed. Vibes? Immaculate. 🫶

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🦋 Member functions 🦋

• date — obtains the time of leap second insertion (public member function) 🗓️✨

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🔥 Nonmember functions 🔥

These compare two leap_second values or a leap_second value and a sys_time — and they're a function template, ngl:

• operator== — comparison bestie numero uno
• operator< — the "less than" one
• operator<= — the "less than or equal" one, yes it's real, yes it's here
• operator> — the "greater than" one
• operator>= — the "greater than or equal" one
• operator<=> — the spaceship operator, (C++20) 🚀✨

They all do the comparing thing: two leap_second values, or a leap_second value and a sys_time. That's the assignment, and they ate. 💯

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🎀 Helper classes 🎀

• std::hash<std::chrono::leap_second> — hash support for std::chrono::leap_second (C++26) (class template specialization) 🔐💖

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okay that's the whole page, no cap. if you made it this far you're officially a chrono girly now, welcome to the club 🧚‍♀️🌈

catch u later, this was brought to you by http://cppreference.com, version 2024.06.10, page std::chrono::leap_second(3) — mwah 💋✨