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std::chrono::month_weekday_last::ok(3) | C++ Standard Libary | std::chrono::month_weekday_last::ok(3) |
NAME¶
std::chrono::month_weekday_last::ok - std::chrono::month_weekday_last::ok
Synopsis¶
constexpr bool ok() const noexcept; (since C++20)
Checks if the contained month and weekday_last objects are valid.
Return value¶
month().ok() && weekday_last().ok()
Example¶
// Run this code
#include <chrono>
#include <iostream>
int main()
{
std::cout << std::boolalpha;
auto mwdl{std::chrono::March/std::chrono::Wednesday[std::chrono::last]};
std::cout << (mwdl.ok()) << ' ';
mwdl = {std::chrono::month(3)/std::chrono::weekday(42)[std::chrono::last]};
std::cout << (mwdl.ok()) << '\n';
}
Output:¶
true false
2024.06.10 | http://cppreference.com |