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std::chrono::duration::count(3) C++ Standard Libary std::chrono::duration::count(3)

NAME

std::chrono::duration::count - std::chrono::duration::count

Synopsis


constexpr rep count() const;


Returns the number of ticks for this duration.

Parameters


(none)

Return value


The number of ticks for this duration.

Example

// Run this code


#include <chrono>
#include <iostream>
int main()
{
std::chrono::milliseconds ms{3}; // 3 milliseconds
// 6000 microseconds constructed from 3 milliseconds
std::chrono::microseconds us = 2*ms;
// 30Hz clock using fractional ticks
std::chrono::duration<double, std::ratio<1, 30>> hz30(3.5);


std::cout << "3 ms duration has " << ms.count() << " ticks\n"
<< "6000 us duration has " << us.count() << " ticks\n"
<< "3.5 30Hz duration has " << hz30.count() << " ticks\n";
}

Output:


3 ms duration has 3 ticks
6000 us duration has 6000 ticks
3.5 30Hz duration has 3.5 ticks

See also


duration_cast converts a duration to another, with a different tick interval
(C++11) (function template)

2022.07.31 http://cppreference.com