std::ios_base::ios_base

 

C++

Linguaggio

Concetti

Libreria di Utilità

Stringhe

Contenitori

Algoritmi

Iteratori

Libreria matematca

Input/output

Localizzazione

Espressioni regolari (C++11)

Operazioni atomicche (C++11)

Multithreading (C++11)

 

Ingresso / libreria di output

I / O manipolatori

C-style I / O

Buffer Original: Buffers The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_streambuf

basic_filebuf

basic_stringbuf

strstreambuf (deprecato)

Streams Original: Streams The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

Astrazioni Original: Abstractions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

ios_base

basic_ios

basic_istream

basic_ostream

basic_iostream

File I / O Original: File I/O The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_ifstream

basic_ofstream

basic_fstream

String I / O Original: String I/O The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_istringstream

basic_ostringstream

basic_stringstream

Array I / O Original: Array I/O The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

istrstream (deprecato)

ostrstream (deprecato)

strstream (deprecato)

Tipi Original: Types The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

streamoff

streamsize

fpos

Errore categoria interfaccia Original: Error category interface The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

iostream_category (C++11)

io_errc (C++11)

 

std::ios_base

Membri funzioni Original: Member functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

ios_base::ios_base

ios_base::~ios_base

Formattazione Original: Formatting The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

ios_base::flags

ios_base::setf

ios_base::unsetf

ios_base::precision

ios_base::width

Versioni locali Original: Locales The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

ios_base::imbue

ios_base::getloc

Interno di matrice estensibile Original: Internal extensible array The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

ios_base::xalloc

ios_base::iword

ios_base::pword

Varie Original: Miscellaneous The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

ios_base::register_callback

ios_base::sync_with_stdio

Membri classi Original: Member classes The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

ios_base::failure

ios_base::Init

Membri tipi Original: Member types The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

ios_base::openmode

ios_base::fmtflags

ios_base::iostate

ios_base::seekdir

ios_base::event

ios_base::event_callback

 

public: ios_base( const ios_base& ) = delete;	(1)
protected: ios_base();	(2)

1)

Il constuctor copia viene cancellato: i flussi non sono copiabili

Original:

The copy constuctor is deleted: streams are not copyable

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2)

Il costruttore di default è protetto: solo le classi derivate possono std::ios_base costruire. Lo stato interno è definito dopo la costruzione. La classe derivata deve chiamare basic_ios::init() per completare l'inizializzazione prima del primo utilizzo o prima di distruttore, altrimenti il ​​comportamento è indefinito.

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.

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Note

Lo stesso vale per i costruttori della classe successiva del I / O gerarchia, std::basic_ios. Ulteriori classi derivate (std::istream e std::ostream) sono sempre costruiti con un oggetto streambuffer concreto e basic_ios::init() chiamata, possibilmente più di una volta, per completare l'inizializzazione della loro base virtuale.

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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