std::ios_base::ios_base
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| public: ios_base( const ios_base& ) = delete; |
(1) | |
| protected: ios_base(); |
(2) | |
O construtor de cópia é apagado: fluxos não são copiável
2) Original:
The copy constuctor is deleted: streams are not copyable
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O construtor padrão é protegido: apenas as classes derivadas pode construir
std::ios_base. O estado interno é indefinido após a construção. A classe derivada deve chamar basic_ios::init() para concluir a inicialização antes da primeira utilização ou antes destruidor, caso contrário, o comportamento é indefinido.Original:
The default constructor is protected: only derived classes may construct
std::ios_base. The internal state is undefined after the construction. The derived class must call basic_ios::init() to complete initialization before first use or before destructor, otherwise the behavior is undefined.The text has been machine-translated via Google Translate.
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[editar] Notas
O mesmo se aplica para os construtores da classe seguinte na hierarquia de I / O, std::basic_ios. Além disso derivadas de classes (std::istream e std::ostream) são sempre construídos com um objeto concreto e streambuffer basic_ios::init() chamada, possivelmente mais do que uma vez, para concluir a inicialização de sua base virtual.
Original:
The same applies to the constructors of the next class in the I/O hierarchy, std::basic_ios. Further-derived classes (std::istream and std::ostream) are always constructed with a concrete streambuffer object and call basic_ios::init(), possibly more than once, to complete initialization of their virtual base.
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