Espaços nominais
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Acções

<div class="t-tr-text">C + +: conceitos<div class="t-tr-dropdown"><div><div><div class="t-tr-dropdown-arrow-border"></div><div class="t-tr-dropdown-arrow"></div><div class="t-tr-dropdown-h">Original:</div><div class="t-tr-dropdown-orig">C++ concepts:</div><div class="t-tr-dropdown-notes">The text has been machine-translated via [http://translate.google.com Google Translate].<br/> You can help to correct and verify the translation. Click [http://en.cppreference.com/w/Cppreference:MachineTranslations here] for instructions.</div></div></div></div></div> UnformattedInputFunction

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< cpp‎ | concept

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C++
 
C + + conceitos
Basic
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Basic
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Biblioteca-Wide
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Library-Wide
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Container
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Container
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Elementos de contêineres
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Container Elements
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Iterator
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Iterator
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Números aleatórios
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Random Numbers
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Simultaneidade
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Concurrency
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(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
Outro
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Other
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[editar] Requisitos

Uma UnformattedInputFunction é uma função de entrada de fluxo que executa o seguinte:
Original:
An UnformattedInputFunction is a stream input function that performs the following:
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  • Constrói um objeto de basic_istream::sentry tipo com duração de armazenamento automático e com o argumento noskipws definido para true, que executa a seguinte
    Original:
    Constructs an object of type basic_istream::sentry with automatic storage duration and with the noskipws argument set to true, which performs the following
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  • se eofbit ou badbit são definidas no fluxo de entrada, define o failbit, bem como, e se exceções em failbit são habilitados na máscara este fluxo de entrada de exceção, joga ios_base::failure.
    Original:
    if eofbit or badbit are set on the input stream, sets the failbit as well, and if exceptions on failbit are enabled in this input stream's exception mask, throws ios_base::failure.
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  • libera o empate () 'd fluxo de saída, se for o caso
    Original:
    flushes the tie()'d output stream, if applicable
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  • Verifica o estado da sentinela, chamando sentry::operator bool(), o que é equivalente a basic_ios::good.
    Original:
    Checks the status of the sentry by calling sentry::operator bool(), which is equivalent to basic_ios::good.
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  • Se a sentinela voltou false ou construtor sentinela lançou uma exceção:
    Original:
    If the sentry returned false or sentry's constructor threw an exception:
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  • define o número de caracteres extraídos (gcount) no fluxo de entrada de zero
    Original:
    sets the number of extracted characters (gcount) in the input stream to zero
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  • se a função foi chamado para escrever para uma matriz de CharT, escreve CharT() (o caractere nulo) para a primeira posição da matriz
    Original:
    if the function was called to write to an array of CharT, writes CharT() (the null character) to the first location of the array
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  • Se a sentinela voltou true, realiza a entrada
    Original:
    If the sentry returned true, performs the input
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  • se uma exceção é lançada durante a entrada, define badbit no fluxo de entrada. Se exceções em badbit são habilitados na máscara este fluxo de exceção, a exceção é relançada também.
    Original:
    if an exception is thrown during input, sets badbit in the input stream. If exceptions on badbit are enabled in this stream's exception mask, the exception is also rethrown.
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  • Se nenhuma exceção foi lançada durante a entrada, define o número de caracteres extraídos (gcount) no fluxo de entrada.
    Original:
    If no exception was thrown during input, sets the number of extracted characters (gcount) in the input stream.
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  • Em qualquer caso, se extinguir por exceção ou retornando, destruidor da sentinela é chamado antes de deixar esta função.
    Original:
    In any event, whether terminating by exception or returning, the sentry's destructor is called before leaving this function.
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[editar] Biblioteca padrão

As seguintes funções da biblioteca padrão são UnformattedInputFunctions.
Original:
The following standard library functions are UnformattedInputFunctions.
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