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C + + Konzepte: MoveAssignable (seit C++11)

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C++
 
C + + Konzepte
Basic
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Basic
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MoveAssignable(C++11)
MoveConstructible(C++11)
Destructible
Library-Wide
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Library-Wide
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Container
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Container
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Container-Elemente
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Container Elements
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Iterator
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Iterator
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Zufallszahlen
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Random Numbers
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Concurrency
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Concurrency
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BasicLockable(C++11)
Lockable(C++11)
TimedLockable(C++11)
Mutex(C++11)
TimedMutex(C++11)
Andere
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Other
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Gibt an, dass eine Instanz des Typs zugewiesen bewegen (verschoben) werden. Dies bedeutet, dass move-Semantik hat: das ist, kann seinen internen Zustand an eine andere Instanz des gleichen Typs potentiell minimiert den Overhead zu übertragen .
Original:
Specifies that an instance of the type can be move-assigned (moved). This means that type has move semantics: that is, can transfer its internal state to another instance of the same type potentially minimizing the overhead.
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[Bearbeiten] Anforderungen

Der Typ muss gerecht CopyAssignable Anforderungen und / oder Umsetzung der folgenden Funktionen:
Original:
The type must meet CopyAssignable requirements and/or implement the following functions:
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Type::operator=

Type& Type::operator=( Type&& other );

Type& Type::operator=( const Type&& other );
Type& Type::operator=( volatile Type&& other );

Type& Type::operator=( const volatile Type&& other );
 (Eine der Varianten ist ausreichend)

Bewegen Zuweisungsoperator: assigns the contents of other. The internal state of other is unspecified after the move. However, it must still be valid, that is, no invariants of the type are broken. The function must return *this.

The following expressions must have the specified effects:

Expression
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Expression
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 Effects
a = rv;
a entspricht rv, wo a ist eine Instanz Type und rv ist ein rvalue Referenz von Type .
Original:
a is equivalent to rv, where a is an instance of Type and rv is a rvalue Referenz of Type.
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[Bearbeiten] Siehe auch

(C++11)
(C++11)
(C++11)
prüft, ob ein Typ hat einen Umzug Zuweisungsoperator
Original:
checks if a type has a move assignment operator
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