std::clog, std::wclog

 

C++

Idioma

Conceptos

Utilidades de la biblioteca

Strings biblioteca

Contenedores biblioteca

Algoritmos biblioteca

Los iteradores biblioteca

Numéricos biblioteca

Entrada / salida de la biblioteca

Localizaciones biblioteca

Expresiones biblioteca Regular (C++11)

Operaciones de biblioteca Atómica (C++11)

Tema Biblioteca de ayuda (C++11)

 

Entrada / salida de la biblioteca

I / O manipuladores

C-estilo I / O

Buffers 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 (obsoleto)

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

Abstracciones 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

Cadena de 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

Matriz 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 (obsoleto)

ostrstream (obsoleto)

strstream (obsoleto)

Tipos 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

Error interfaz categoría 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::basic_ostream

Los objetos globales Original: Global objects The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
cout wcout	cerr wcerr	clog wclog
Las funciones miembro 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.
basic_ostream::basic_ostream
basic_ostream::~basic_ostream
basic_ostream::operator= (C++11)
Entrada con formato Original: Formatted input The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
basic_ostream::operator<<
Entrada sin formato Original: Unformatted input The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
basic_ostream::put
basic_ostream::write
Posicionamiento Original: Positioning The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
basic_ostream::tellp
basic_ostream::seekp
Varios Original: Miscellaneous The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
basic_ostream::flush
basic_ostream::swap (C++11)
Clases de miembros 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.
basic_ostream::sentry
Terceros funciones Original: Non-member functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
operator<<(std::basic_ostream)

 

Defined in header <iostream>
extern std::ostream clog;	(1)
extern std::wostream wclog;	(2)

Los objetos globales std::clog y std::wclog salida de control a un búfer de la secuencia de aplicación definido por el tipo (derivado de std::streambuf), asociado con el stderr secuencia estándar de salida C, pero, a diferencia de std::cerr / std::wcerr, estas corrientes no se vacía automáticamente y no atar automáticamente ( ) 'd con cout .

Original:

The global objects std::clog and std::wclog control output to a stream buffer of implementation-defined type (derived from std::streambuf), associated with the standard C output stream stderr, but, unlike std::cerr/std::wcerr, these streams are not automatically flushed and not automatically tie()'d with cout.

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Estos objetos están garantizados para ser construido antes de la primera constructor de un objeto estático se llama y que están garantizados para sobrevivir a la última destructor de un objeto estático, por lo que siempre es posible escribir en std::clog en código de usuario .

Original:

These objects are guaranteed to be constructed before the first constructor of a static object is called and they are guaranteed to outlive the last destructor of a static object, so that it is always possible to write to std::clog in user code.

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A menos que sync_with_stdio(false) se ha emitido, se puede acceder a estos objetos simultáneamente desde varios subprocesos, tanto para la salida con formato y sin formato .

Original:

Unless sync_with_stdio(false) has been issued, it is safe to concurrently access these objects from multiple threads for both formatted and unformatted output.

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Ejemplo

#include <iostream>
struct Foo {
    int n;
    Foo() {
       std::clog << "static constructor\n";
    }
    ~Foo() {
       std::clog << "static destructor\n";
    }
};
Foo f; // static object
int main()
{
    std::clog << "main function\n";
}

Output:

static constructor
main function
static destructor

Ver también

Init	inicializa los objetos estándar de la corriente Original: initializes standard stream objects The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (miembro público of std::ios_base clase)
cerr wcerr	escribe en el flujo de error estándar de C stderr, unbuffered (objeto global) Original: writes to the standard C error stream stderr, unbuffered (objeto global) The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
cout wcout	escribe en el stdout (objeto global) corriente estándar C de salida Original: writes to the standard C output stream stdout (objeto global) The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.