<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> MoveAssignable (desde C++11)
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Especifica que uma instância do tipo pode ser mover-atribuído (deslocado). Isso significa que o tipo tem semântica de movimento, isto é, pode transferir seu estado interno para outra instância do mesmo tipo potencialmente minimizar a sobrecarga.
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.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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[editar] Requisitos
O tipo deve atender aos requisitos
CopyAssignable e / ou implementar as seguintes funções:Original:
The type must meet
CopyAssignable requirements and/or implement the following functions:The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
Type::operator=
| Type& Type::operator=( Type&& other ); Type& Type::operator=( const Type&& other ); |
(Uma das variantes é suficiente) | |
Mova operador de atribuição: 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:
| Expressão
Original: Expression The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
Effects |
| a = rv; | a é equivalente a rv, onde a é um exemplo de Type e rv é um referência rvalue de Type .Original: The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
[editar] Veja também
| (C++11) (C++11) (C++11) |
verifica se um tipo tem um operador de atribuição movimento Original: checks if a type has a move assignment operator The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (modelo de classe) |
