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Conceptos C++: MoveAssignable (desde C++11)

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Básica
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Basic
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MoveAssignable
(C++11)
Biblioteca-Wide
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Library-Wide
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Container
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Container
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Elementos contenedores
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Container Elements
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Iterator
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Iterator
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Números aleatorios
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Random Numbers
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Concurrencia
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Concurrency
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(C++11)
(C++11)
(C++11)
Otros
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Other
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Especifica que una instancia del tipo puede ser mover asignado (desplazado). Esto significa que el tipo tiene la semántica de movimiento, es decir, puede transferir su estado interno a otra instancia del mismo tipo potencialmente reducir al mínimo los gastos generales .
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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[editar] Requisitos

El tipo debe cumplir con los requisitos CopyAssignable y / o implementar las siguientes funciones:
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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 );
(Una de las variantes es suficiente)

Mueva operador de asignación: 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:

Expresión
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Expression
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Effects
a = rv;
a es equivalente a rv, donde a es una instancia de Type y rv es un rvalue referencia de Type .
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a is equivalent to rv, where a is an instance of Type and rv is a rvalue referencia of Type.
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[editar] Ver también

Comprueba si un tipo tiene un operador de asignación de movimiento
Original:
checks if a type has a move assignment operator
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(plantilla de clase) [editar]