std::enable_shared_from_this::enable_shared_from_this - cppreference.com
Espaços nominais
Variantes
    Ações

      std::enable_shared_from_this::enable_shared_from_this

      De cppreference.com

      <metanoindex/>

       
      C++
       
      Biblioteca de utilitários
      Digite apoio (basic types, RTTI, type traits)
      Gerenciamento de memória dinâmica
      De tratamento de erros
      Utilidades do programa
      Variadic funções
      Data e hora
      Objetos de função
      (C++11)
      (C++11)
      Os operadores relacionais
      Original:
      Relational operators
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      rel_ops::operator!=
      rel_ops::operator>
      rel_ops::operator<=
      rel_ops::operator>=
      Pares e tuplas
      Original:
      Pairs and tuples
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      (C++11)
      (C++11)
      (C++11)
      Troque, avançar e avançar
      Original:
      Swap, forward and move
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      (C++11)
      (C++11)
      (C++11)
      (C++11)
       
      Gerenciamento de memória dinâmica
      Gerenciamento de memória de baixo nível
      Alocadores
      Original:
      Allocators
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      (C++11)
      (C++11)
      (C++11)
      (C++11)
      (C++11)
      Uninitialized armazenamento
      Original:
      Uninitialized storage
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      (C++11)
      Ponteiros inteligentes
      Original:
      Smart pointers
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      (C++11)
      (C++11)
      (C++11)
      (obsoleta)
      (C++11)
      (C++11)
      (C++11)
      (C++11)
      Apoio a coleta de lixo
      Original:
      Garbage collection support
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      (C++11)
      (C++11)
      (C++11)
      (C++11)
      (C++11)
      (C++11)
      Diversos
      Original:
      Miscellaneous
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      (C++11)
      (C++11)
      (C++11)
      C Library
      Original:
      C Library
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
       
      std::enable_shared_from_this
      Protegido funções de membro
      Original:
      Protected member functions
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      enable_shared_from_this::enable_shared_from_this
      enable_shared_from_this::~enable_shared_from_this
      enable_shared_from_this::operator=
      Membro funções públicas
      Original:
      Public member functions
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      enable_shared_from_this::shared_from_this
       
      <tbody> </tbody>
      constexpr enable_shared_from_this() noexcept;
      		 (1)
      enable_shared_from_this(const enable_shared_from_this<T>&obj) noexcept;
      		 (2)
      Constrói novo objeto enable_shared_from_this.
      Original:
      Constructs new enable_shared_from_this object.
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      Parâmetros

      obj -
      um enable_shared_from_this copiar
      Original:
      an enable_shared_from_this to copy
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      Exceções

      noexcept specification:  
      <tbody> </tbody>
      noexcept
        (desde C++11)

      Exemplo

      #include <memory>

struct Foo : public std::enable_shared_from_this<Foo> {
    Foo() {}  // implicitly calls enable_shared_from_this constructor
    std::shared_ptr<Foo> getFoo() { return shared_from_this(); }
};

int main() {
    std::shared_ptr<Foo> pf1(new Foo);
    auto pf2 = pf1->getFoo();  // shares ownership of object with pf1
}


      Veja também