std::chrono::month_weekday::ok
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< cpp | chrono | month weekday
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std::chrono::month_weekday
Member functions
month_weekday::ok
Nonmember functions
Helper classes
(C++26)
constexpr bool ok() const noexcept;
(since C++20)
Checks if the contained month and weekday_indexed objects are valid.
[edit] Return value
month().ok() && weekday_indexed().ok()
[edit] Example
Run this code
#include <cassert> #include <chrono> int main() { auto mwdi{std::chrono::March /std::chrono::Friday [1]}; assert (mwdi.ok()); mwdi = {std::chrono::month (17)/std::chrono::Friday [1]}; assert (not mwdi.ok()); mwdi = {std::chrono::March /std::chrono::Friday [-4]}; assert (not mwdi.ok()); }