Varianti

    std::uninitialized_fill_n

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    <tbody> </tbody>
    Elemento definito nell'header <memory>
    template< class ForwardIt, class Size, class T > void uninitialized_fill_n( ForwardIt first, Size count, const T& value )

    Copies the given value value to the first count elements in an uninitialized memory area beginning at first. The elements in the uninitialized area are constructed using copy constructor.

    Parametri

    first - the beginning of the range of the elements to initialize
    count - number of elements to construct
    value -
    il valore di costruire gli elementi con
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    the value to construct the elements with
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    Type requirements
    -
    ForwardIt must meet the requirements of ForwardIterator.

    Valore di ritorno

    Iterator all'elemento passato l'ultimo elemento copiato.
    Original:
    Iterator to the element past the last element copied.
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    Complessità

    Lineare in count
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    Linear in count
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    Possibile implementazione

    template< class ForwardIt, class Size, class T >
void uninitialized_fill_n(ForwardIt first, Size count
                          const T& value)
{
    typedef typename std::iterator_traits<ForwardIt>::value_type Value;
    for (; count > 0; ++first, --count) {
        ::new (static_cast<void*>(&*first)) Value(value);
    }
    return first;
}

    Esempio

    This section is incomplete
    Reason: no example

    Vedi anche
    copia di un oggetto ad una zona di memoria non inizializzata
    Original:
    copies an object to an uninitialized area of memory
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    (funzione di modello) [modifica]