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std::unique_ptr::operator*

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< cpp‎ | memory‎ | unique ptr

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C++
 
Utilities-Bibliothek
 
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 :: unique_ptr
Member-Funktionen
Original:
Member functions
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unique_ptr::unique_ptr
unique_ptr::~unique_ptr
unique_ptr::operator=
Modifiers
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Modifiers
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unique_ptr::release
unique_ptr::reset
unique_ptr::swap
Beobachter
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Observers
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unique_ptr::get
unique_ptr::get_deleter
unique_ptr::operator bool
unique_ptr::operator*
unique_ptr::operator->
unique_ptr::operator[]
Non-Member-Funktionen
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Non-member functions
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operator==
operator!=
operator<
operator>
operator<=
operator>
operator>=
std::swap
std::hash
 
typename std::add_lvalue_reference<T>::type operator*() const;
 (1) (seit C++11)
pointer operator->() const;
 (2) (seit C++11)
operator* und operator-> bieten Zugriff auf das Objekt durch *this besaß .
Original:
operator* and operator-> provide access to the object owned by *this.
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Inhaltsverzeichnis

[Bearbeiten] Parameter

(None)
Original:
(none)
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[Bearbeiten] Rückgabewert

1)
Gibt das Objekt durch *this Besitz, also *get() .
Original:
Returns the object owned by *this, i.e. *get().
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2)
Gibt einen Zeiger auf das Objekt durch *this Besitz, dh get() .
Original:
Returns a pointer to the object owned by *this, i.e. get().
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[Bearbeiten] Ausnahmen

1)
werfen kann
Original:
may throw
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2)
noexcept specification:  
noexcept
  (seit C++11)

[Bearbeiten] Beispiel

#include <iostream>
#include <memory>
 
struct Foo {
    void bar() { std::cout << "Foo::bar\n"; }
};
 
void f(const Foo& foo) 
{
    std::cout << "f(const Foo&)\n";
}
 
int main() 
{
    std::unique_ptr<Foo> ptr(new Foo);
 
    ptr->bar();
    f(*ptr);
}

Output: 

Foo::bar
f(const Foo&)

[Bearbeiten] Siehe auch
liefert einen Zeiger auf das verwaltete Objekt
Original:
returns a pointer to the managed object
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