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std::enable_shared_from_this::enable_shared_from_this

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Dynamische Speicherverwaltung
Low-Level-Speicherverwaltung
Zuweiser
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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
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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
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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
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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
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Miscellaneous
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pointer_traits(C++11)
addressof(C++11)
align(C++11)
C-Bibliothek
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C Library
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std::enable_shared_from_this
Geschützt Member-Funktionen
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Protected member functions
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enable_shared_from_this::enable_shared_from_this
enable_shared_from_this::~enable_shared_from_this
enable_shared_from_this::operator=
Öffentliche Member-Funktionen
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Public member functions
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enable_shared_from_this::shared_from_this
 
constexpr enable_shared_from_this() noexcept;
(1)
enable_shared_from_this(const enable_shared_from_this<T>&obj) noexcept;
(2)
Erzeugt neue enable_shared_from_this Objekt .
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Constructs new enable_shared_from_this object.
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Inhaltsverzeichnis

[Bearbeiten] Parameter

obj -
ein enable_shared_from_this zu kopieren
Original:
an enable_shared_from_this to copy
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[Bearbeiten] Ausnahmen

noexcept specification:  
noexcept
  (seit C++11)

[Bearbeiten] Beispiel

#include <memory>
 
struct Foo : public std::enable_shared_from_this<Foo> {
    Foo() {}  // implicitly calls enable_shared_from_this constructor
    std::shared_ptr<Foo> getFoo() { return shared_from_this(); }
};
 
int main() {
    std::shared_ptr<Foo> pf1(new Foo);
    auto pf2 = pf1->getFoo();  // shares ownership of object with pf1
}


[Bearbeiten] Siehe auch

smart pointer with shared object ownership semantics
(Klassen-Template) [edit]