std::basic_iostream::basic_iostream – cppreference.com

std::basic_iostream::basic_iostream

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C++
 
Input / Output-Bibliothek
I / O-Manipulatoren
C-style I / O
Puffern
Original:
Buffers
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basic_streambuf
basic_filebuf
basic_stringbuf
strstreambuf(veraltet)
Streams
Original:
Streams
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Abstraktionen
Original:
Abstractions
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ios_base
basic_ios
basic_istream
basic_ostream
basic_iostream
Datei-I / O
Original:
File I/O
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basic_ifstream
basic_ofstream
basic_fstream
String I / O
Original:
String I/O
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basic_istringstream
basic_ostringstream
basic_stringstream
Array I / O
Original:
Array I/O
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istrstream(veraltet)
ostrstream(veraltet)
strstream(veraltet)
Types
Original:
Types
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streamoff
streamsize
fpos
Fehler Kategorie Schnittstelle
Original:
Error category interface
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iostream_category(C++11)
io_errc(C++11)
 
std::basic_iostream
Member-Funktionen
Original:
Member functions
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basic_iostream::basic_iostream
basic_iostream::~basic_iostream
Geschützt Member-Funktionen
Original:
Protected member functions
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basic_iostream::operator=
basic_iostream::swap
 
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explicit basic_iostream( std::basic_streambuf<CharT,Traits>* sb );
 (1)
basic_iostream( const basic_iostream& other ) = delete;
 (2) (seit C++11)
protected: basic_iostream( basic_iostream&& other );
 (3) (seit C++11)
Erzeugt neue Stream-Objekt .
Original:
Constructs new stream object.
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1)
Initialisiert mit streambuf sb. Die Basisklassen als basic_istream<CharT,Traits>(sb) und basic_ostream<CharT,Traits>(sb) initialisiert. Nach dem Aufruf rdbuf() == sb und gcount() == 0 .
Original:
Initializes with streambuf sb. The base classes are initialized as basic_istream<CharT,Traits>(sb) and basic_ostream<CharT,Traits>(sb). After the call rdbuf() == sb and gcount() == 0.
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2)
Kopieren Konstruktion ist nicht erlaubt .
Original:
Copy construction is not allowed.
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3)
Bewegen constructor: Bewegung baut die erste Basisklasse basic_istream als basic_istream<CharT,Traits>(std::move(rhs));, was wiederum Bewegung konstruiert und initialisiert die virtuelle Basis std::basic_ios. Die Initialisierung der anderen Basis, basic_ostream, ist die Implementierung definiert (zB ein geschützter Standardkonstruktor kann std::basic_ostream, die nichts tut hinzugefügt werden), weil move-Konstruktion nicht verwenden können rhs zweimal. Dieser Schritt Konstruktor geschützt ist: es wird durch die Bewegung Konstruktoren der abgeleiteten Stream-Klassen genannt std::basic_fstream und std::basic_stringstream bevor sie sich bewegen-Konstrukt und ordnen Sie die Strom-Puffer .
Original:
Move constructor: move-constructs the first base class basic_istream as basic_istream<CharT,Traits>(std::move(rhs));, which in turn move-constructs and initializes the virtual base std::basic_ios. The initialization of the other base, basic_ostream, is implementation-defined (e.g., a protected default constructor may be added to std::basic_ostream, which does nothing) because move-construction cannot use rhs twice. This move constructor is protected: it is called by the move constructors of the derived stream classes std::basic_fstream and std::basic_stringstream before they move-construct and associate the stream buffer.
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Parameter

sb -
streambuf mit initialisieren
Original:
streambuf to initialize with
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other -
ein anderer Strom mit initialisieren
Original:
another stream to initialize with
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Siehe auch