Namensräume
Varianten

    std::uninitialized_fill_n

    Aus cppreference.com
    See More

    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.

    Click here for the English version of this page

    <metanoindex/>

     
    C++
     
    Utilities-Bibliothek
     
    Dynamische Speicherverwaltung
    Low-Level-Speicherverwaltung
    Zuweiser
    Original:
    Allocators
    The text has been machine-translated via Google Translate.
    You can help to correct and verify the translation. Click here for instructions.
    allocator
    allocator_traits(C++11)
    allocator_arg_t(C++11)
    allocator_arg(C++11)
    uses_allocator(C++11)
    scoped_allocator_adaptor(C++11)
    Initialisierter Speicher
    Original:
    Uninitialized storage
    The text has been machine-translated via Google Translate.
    You can help to correct and verify the translation. Click here for instructions.
    uninitialized_copy
    uninitialized_copy_n(C++11)
    uninitialized_fill
    uninitialized_fill_n
    raw_storage_iterator
    get_temporary_buffer
    return_temporary_buffer
    Intelligente Zeiger
    Original:
    Smart pointers
    The text has been machine-translated via Google Translate.
    You can help to correct and verify the translation. Click here for instructions.
    unique_ptr(C++11)
    shared_ptr(C++11)
    weak_ptr(C++11)
    auto_ptr(veraltet)
    owner_less(C++11)
    enable_shared_from_this(C++11)
    bad_weak_ptr(C++11)
    default_delete(C++11)
    Garbage Collection Unterstützung
    Original:
    Garbage collection support
    The text has been machine-translated via Google Translate.
    You can help to correct and verify the translation. Click here for instructions.
    declare_reachable(C++11)
    undeclare_reachable(C++11)
    declare_no_pointers(C++11)
    undeclare_no_pointers(C++11)
    pointer_safety(C++11)
    get_pointer_safety(C++11)
    Verschiedenes
    Original:
    Miscellaneous
    The text has been machine-translated via Google Translate.
    You can help to correct and verify the translation. Click here for instructions.
    pointer_traits(C++11)
    addressof(C++11)
    align(C++11)
    C-Bibliothek
    Original:
    C Library
    The text has been machine-translated via Google Translate.
    You can help to correct and verify the translation. Click here for instructions.
     
    <tbody> </tbody>
    definiert in 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.

    Parameter

    first - the beginning of the range of the elements to initialize
    count - number of elements to construct
    value -
    der Wert auf die Elemente mit zu bauen
    Original:
    the value to construct the elements with
    The text has been machine-translated via Google Translate.
    You can help to correct and verify the translation. Click here for instructions.
    Type requirements
    -
    ForwardIt must meet the requirements of ForwardIterator.

    Rückgabewert

    Iterator das Element nach dem letzten Element kopiert .
    Original:
    Iterator to the element past the last element copied.
    The text has been machine-translated via Google Translate.
    You can help to correct and verify the translation. Click here for instructions.

    Komplexität

    Linear in count
    Original:
    Linear in count
    The text has been machine-translated via Google Translate.
    You can help to correct and verify the translation. Click here for instructions.

    Mögliche Implementierung

    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;
}

    Beispiel

    This section is incomplete
    Reason: no example

    Siehe auch

    		 füllt den nicht initialisierten Speicher mit Kopien eines Objektes
    (Funktions-Template) [edit]