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<div class="t-tr-text">C + +: conceitos<div class="t-tr-dropdown"><div><div><div class="t-tr-dropdown-arrow-border"></div><div class="t-tr-dropdown-arrow"></div><div class="t-tr-dropdown-h">Original:</div><div class="t-tr-dropdown-orig">C++ concepts:</div><div class="t-tr-dropdown-notes">The text has been machine-translated via [http://translate.google.com Google Translate].<br/> You can help to correct and verify the translation. Click [http://en.cppreference.com/w/Cppreference:MachineTranslations here] for instructions.</div></div></div></div></div> MoveConstructible (desde C++11)

De cppreference.com

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Especifica que uma instância do tipo pode ser mover-construído (deslocado). Isso significa que o tipo tem semântica de movimento, isto é, pode transferir seu estado interno para uma nova instância do mesmo tipo potencialmente minimizar a sobrecarga.

Original:

Specifies that an instance of the type can be move-constructed (moved). This means that type has move semantics: that is, can transfer its internal state to a new instance of the same type potentially minimizing the overhead.

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Requisitos

O tipo deve atender aos requisitos CopyConstructible e / ou implementar as seguintes funções:

Original:

The type must meet CopyConstructible requirements and/or implement the following functions:

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Type::Type

<tbody> </tbody>

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

 (Uma das variantes é suficiente)

Mova construtor: constructs an instance of a type with 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 following expressions must have the specified effects:

Expressão

Original:

Expression

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 Effects
Type a = rv;

a é equivalente a rv, onde rv é um referência rvalue de Type .

Original:

a is equivalent to rv, where rv is a referência rvalue of Type.

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Type(rv);

um objeto temporário de Type tipo é equivalente a rv, onde rv é um referência rvalue de Type .

Original:

a temporary object of type Type is equivalent to rv, where rv is a referência rvalue of Type.

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