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std::chrono...::to_time_t(3) C++ Standard Libary std::chrono...::to_time_t(3) NAME std::chrono::system_clock::to_time_t - std::chrono::sys- tem_clock::to_time_t Synopsis static std::time_t to_time_t( const time_point& t ) noexcept; (since C++11) Converts t to a std::time_t type. If std::time_t has lower precision, it is implementation-defined whether the value is rounded or truncated. Parameters t - system clock time point to convert Return value A std::time_t value representing t. Example Get the current time as a std::time_t two ways. // Run this code #include <iostream> #include <ctime> #include <chrono> #include <thread> using namespace std::chrono_literals; int main() { // The old way std::time_t oldt = std::time(nullptr); std::this_thread::sleep_for(2700ms); // The new way std::time_t newt = std::chrono::system_clock::to_time_t( std::chrono::system_clock::now()); std::cout << "oldt-newt == " << oldt-newt << " s\n"; } Possible output: oldt-newt == -3 s See also from_time_t converts std::time_t to a system clock time point [static] (public static member function) http://cppreference.com 2022.07.31 std::chrono...::to_time_t(3)
NAME | Synopsis | Parameters | Return value | Example | Possible output: | See also
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