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std::add_lvalue_reference, std::add_rvalue_reference

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Defined in header <type_traits>
template< class T >
struct add_lvalue_reference;
(1) (a partir do C++ 11)
template< class T >
struct add_rvalue_reference;
(2) (a partir do C++ 11)
1)
Se T é um objeto ou função, fornece um membro type typedef que é T&. Se T é uma referência a alguns rvalue U tipo, então é type U&. Caso contrário, é type T.
Original:
If T is an object or function, provides a member typedef type which is T&. If T is an rvalue reference to some type U, then type is U&. Otherwise, type is T.
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2)
Se T é um objecto ou função, proporciona um membro type typedef que é T&&, caso contrário, é type T.
Original:
If T is an object or function, provides a member typedef type which is T&&, otherwise type is T.
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Índice

[editar] Tipos de membro

Nome
Original:
Name
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Definition
type
referência à T ou T não se permitido
Original:
reference to T, or T if not allowed
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[editar] Notas

Essas transformações tipo de honra de referência colapso regras:
Original:
These type transformations honor reference collapse rules:
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std::add_lvalue_reference<T&>::type is T&
std::add_lvalue_reference<T&&>::type is T&
std::add_rvalue_reference<T&>::type is T&
std::add_rvalue_reference<T&&>::type is T&&

[editar] Exemplo

[editar] Veja também

verifica se um tipo é lvalue referência ou referência rvalue
Original:
checks if a type is either lvalue reference or rvalue reference
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(modelo de classe) [edit]
remove referência do tipo de dado
Original:
removes reference from the given type
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(modelo de classe) [edit]