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std::add_lvalue_reference, std::add_rvalue_reference - cppreference.com

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Definido no cabeçalho

<type_traits>

template< class T > struct add_lvalue_reference;

 (1) (desde C++11)

template< class T > struct add_rvalue_reference;

 (2) (desde 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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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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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&&

Exemplo

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]