std::chrono::steady_clock::now
De cppreference.com
 |
This page has been machine-translated from the English version of the wiki using Google Translate.
The translation may contain errors and awkward wording. Hover over text to see the original version. You can help to fix errors and improve the translation. For instructions click here. |
<metanoindex/>
<tbody> </tbody> static std::chrono::time_point<std::chrono::steady_clock> now(); |
(depuis C++11) | |
Retourne un point dans le temps qui représente le point courant dans le temps .
Original:
Returns a time point representing with the current point in time.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
Paramètres
(Aucun)
Original:
(none)
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
Retourne la valeur
Un point de temps représentant le temps actuel .
Original:
A time point representing the current time.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
Exceptions
Exemple
#include <iostream>
#include <vector>
#include <chrono>
int main()
{
for (unsigned long long size = 1; size < 10000000; size *= 10) {
auto start = std::chrono::steady_clock::now();
std::vector<int> v(size, 42);
auto end = std::chrono::steady_clock::now();
auto elapsed = end - start;
std::cout << size << ": " << elapsed.count() << '\n';
}
}
Résultat possible :
1: 1
10: 2
100: 3
1000: 6
10000: 47
100000: 507
1000000: 4822