std::chrono::month_day::ok(3)

💅 std::chrono::month_day::ok(3) 💅

okay bestie, welcome to the std::chrono::month_day::ok page from the C++ Standard Libary manual — yes, that’s the manual name, and we’re keeping it exactly as-is 💖

🌸 NAME 🌸

std::chrono::month_day::ok — std::chrono::month_day::ok

✨ Synopsis ✨

constexpr bool ok() const noexcept;  (since C++20)

This one determines whether a month_day stores a valid month-day combination. It’s literally the vibe check for your month + day pair 👑

The combination is valid if month() represents a valid month (month().ok() == true), unsigned{day()} >= 1, and unsigned{day()} <= D, where D is the number of days in the month represented by month(). The number of days in February is considered to be 29.

🫶 Return value 🫶

true if the month and day combination is valid, otherwise false.

🎀 Example 🎀

// Run this code

#include <chrono>
#include <iostream>

int main()
{
    std::cout << std::boolalpha;

    constexpr auto md1{std::chrono::July/15};
    std::cout << (md1.ok()) << ' ';
    constexpr std::chrono::month_day md2{std::chrono::month(14),
std::chrono::day(42)};
    std::cout << (md2.ok()) << ' ';
    constexpr auto md3{std::chrono::February/29};
    std::cout << (md3.ok()) << '\n';
}

⭐ Output ⭐

true false true

and that’s the whole page, bestie! the original footer said source/version http://cppreference.com, date 2024.06.10, and manual title std::chrono::month_day::ok(3) — periodt ✨💅🦋