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break statement

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General topics
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Controle de fluxo
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Flow control
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Declarações execução condicional
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Conditional execution statements
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Jump statements
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continue statement
break statement
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declaração da função
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modelo de função
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Exceptions
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decltype specifier (C++11)
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Assembly embutido
 
loop ou
declaração switch
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switch statement
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para terminar.
Usado quando a situação é diferente estranho para terminar o loop usando a expressão condição e instruções condicionais.
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Used when it is otherwise awkward to terminate the loop using the condition expression and conditional statements.
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Índice

[editar] Sintaxe

break

[editar] Explicação

Depois desta declaração, o controle é transferido para a instrução imediatamente após o ciclo de fechamento. Todos os objetos de armazenamento automático declarados em juntar circuito são destruídos antes da execução da primeira linha após o loop colocando.
Original:
After this statement the control is transferred to the statement immediately following the enclosing loop. All automatic storage objects declared in enclosing loop are destroyed before the execution of the first line following the enclosing loop.
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[editar] Palavras-chave

break

[editar] Exemplo

#include <iostream>
 
int main()
{
    int i = 2;
    switch (i) {
        case 1: std::cout << "1";
        case 2: std::cout << "2";   //execution starts at this case label
        case 3: std::cout << "3";
        case 4:
        case 5: std::cout << "45";
                break;              //execution of subsequent statements is terminated
        case 6: std::cout << "6";
    }
 
    std::cout << '\n';
 
    for (int j = 0; j < 2; j++) {
        for (int k = 0; k < 5; k++) {         //only this loop is affected by break
            if (k == 2) break;
            std::cout << j << k << " ";
        }
    }
}

Output:

2345
00 01 10 11