for loop — cppreference.com
De cppreference.com
<metanoindex/>
Exécute une boucle .
Original:
Executes a loop.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
Syntaxe
for ( init_expression ; cond_expression ; iteration_expression ) loop_statement
|
|||||||||
Explication
La syntaxe ci-dessus produit code équivalent à:
Original:
The above syntax produces code equivalent to:
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
{
|
|||||||||
La init_expression est exécutée avant l'exécution de la boucle. Le cond_expression doit évaluer à la valeur convertible en bool. Il est évaluée avant chaque itération de la boucle. La boucle continue seulement si sa valeur est true. La loop_statement est exécuté à chaque itération, après quoi iteration_expression est exécutée .
Original:
The init_expression is executed before the execution of the loop. The cond_expression shall evaluate to value, convertible to bool. It is evaluated before each iteration of the loop. The loop continues only if its value is true. The loop_statement is executed on each iteration, after which iteration_expression is executed.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
Mots-clés
Exemple
#include <iostream> int main() { for (int i = 0; i < 10; i++) { std::cout << i << " "; } std::cout << '\n'; for (int j = 2; j < 9; j = j + 2) { std::cout << j << " "; } }
Résultat :
0 1 2 3 4 5 6 7 8 9 2 4 6 8