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    std::allocator::construct

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    < cpp‎ | memory‎ | allocator

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    C++
     
    Dynamische Speicherverwaltung
    Low-Level-Speicherverwaltung
    Zuweiser
    Original:
    Allocators
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    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
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    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
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    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
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    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
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    pointer_traits(C++11)
    addressof(C++11)
    align(C++11)
    C-Bibliothek
    Original:
    C Library
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    std::allocator
    Member-Funktionen
    Original:
    Member functions
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    allocator::allocator
    allocator::~allocator
    allocator::address
    allocator::allocate
    allocator::deallocate
    allocator::max_size
    allocator::construct
    allocator::destroy
    Non-Member-Funktionen
    Original:
    Non-member functions
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    operator==
    operator!=
     
    definiert in Header <memory>
    void construct( pointer p, const_reference val );
    		(bis C + +11)
    template<class U, class... Args>
    void construct( U* p, Args&&... args);
    		(seit C++11)
    Erzeugt ein Objekt vom Typ T in zugewiesenen initialisierten Speicher, auf den p mit placement-neu
    Original:
    Constructs an object of type T in allocated uninitialized storage pointed to by p, using placement-new
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    1)
    Ruft new((void*)p) T(val)
    Original:
    Calls new((void*)p) T(val)
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    2)
    Ruft ::new((void*)p) U(std::forward<Args>(args)...)
    Original:
    Calls ::new((void*)p) U(std::forward<Args>(args)...)
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    [Bearbeiten]Parameter

    p -
    Zeiger auf reservierten initialisierten Speicher
    Original:
    pointer to allocated uninitialized storage
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    val -
    der Wert als Copy-Konstruktor Argument verwenden
    Original:
    the value to use as the copy constructor argument
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    args... -
    die Konstruktorargumente zu bedienen
    Original:
    the constructor arguments to use
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    [Bearbeiten]Rückgabewert

    (None)
    Original:
    (none)
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    [Bearbeiten]Siehe auch

    [statisch]
    konstruiert ein Objekt in dem zugewiesenen Speicher
    Original:
    constructs an object in the allocated storage
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    (Funktions-Template)[edit]
    		 Speicheranforderungsfunktion
    (Funktion)[edit]
    Von „https://de.cppreference.com/mwiki/index.php?title=cpp/memory/allocator/construct&oldid=29415“
    close