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

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      <tbody> </tbody>
      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.
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      If T is an object or function, provides a member typedef type which is T&&, otherwise type is T.
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      		 Definition
      type
      referência à T ou T não se permitido
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      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

      Esta seção está incompleta
      Motivo: sem exemplo

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