Namespaces
Variants
Actions

std::chrono::duration<Rep,Period>::count

From cppreference.com
< cpp‎ | chrono‎ | duration
 
 
Date and time library
(C++11)
(C++20)
(C++11)
(C++11)
(C++11)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)(C++20)
(C++20)(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)(C++20)
(C++20)

 
std::chrono::duration
Member functions
Non-member functions
Helper classes
 
constexpr rep count() const;
(since C++11)

Returns the number of ticks for this duration.

[edit] Parameters

(none)

[edit] Return value

The number of ticks for this duration.

[edit] 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

[edit] See also

converts a duration to another, with a different tick interval
(function template) [edit]
Retrieved from "https://en.cppreference.com/mwiki/index.php?title=cpp/chrono/duration/count&oldid=161875"

AltStyle によって変換されたページ (->オリジナル) /