Espacios de nombres
Variantes
Acciones

std::skipws, std::noskipws

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< cpp‎ | io‎ | manip

 
 
Entrada / salida de la biblioteca
I / O manipuladores
C-estilo I / O
Buffers
Original:
Buffers
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basic_streambuf
basic_filebuf
basic_stringbuf
strstreambuf(obsoleto)
Arroyos
Original:
Streams
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Abstracciones
Original:
Abstractions
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ios_base
basic_ios
basic_istream
basic_ostream
basic_iostream
File I / O
Original:
File I/O
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basic_ifstream
basic_ofstream
basic_fstream
Cadena de I / O
Original:
String I/O
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basic_istringstream
basic_ostringstream
basic_stringstream
Matriz I / O
Original:
Array I/O
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istrstream(obsoleto)
ostrstream(obsoleto)
strstream(obsoleto)
Tipos
Original:
Types
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streamoff
streamsize
fpos
Error interfaz categoría
Original:
Error category interface
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iostream_category(C++11)
io_errc(C++11)
 
Entrada / salida manipuladores
De punto flotante de formato
Original:
Floating-point formatting
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Formato Integer
Original:
Integer formatting
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Formato booleano
Original:
Boolean formatting
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boolalpha
noboolalpha
Ancho de campo y de control de llenado
Original:
Field width and fill control
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Otros formatos
Original:
Other formatting
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Los espacios en blanco de procesamiento
Original:
Whitespace processing
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skipws
noskipws
Salida de lavado
Original:
Output flushing
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Indicadores de estado manipulación
Original:
Status flags manipulation
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Tiempo y dinero I / O
Original:
Time and money I/O
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get_money(C++11)
get_time(C++11)
put_money(C++11)
put_time(C++11)
 
Defined in header <ios>
std::ios_base& skipws( std::ios_base& str );
(1)
std::ios_base& noskipws( std::ios_base& str );
(2)
Activa o desactiva el salto de los principales espacios en blanco de las funciones de entrada formateados (activada por defecto). No tiene ningún efecto en la salida .
Original:
Enables or disables skipping of leading whitespace by the formatted input functions (enabled by default). Has no effect on output.
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1)
permite a la bandera skipws en el str corriente como si se aplicase str.setf(std::ios_base::skipws)
Original:
enables the skipws flag in the stream str as if by calling str.setf(std::ios_base::skipws)
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2)
desactiva la bandera skipws en el str corriente como si se aplicase str.unsetf(std::ios_base::skipws)
Original:
disables the skipws flag in the stream str as if by calling str.unsetf(std::ios_base::skipws)
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El espacio en blanco saltando es realizada por el constructor de std::basic_istream::sentry, que lee y descarta los caracteres clasificados como espacio en blanco en la faceta std::ctype de la configuración regional imbuida de la corriente .
Original:
The whitespace skipping is performed by the constructor of std::basic_istream::sentry, which reads and discards the characters classified as whitespace by the std::ctype facet of the stream's imbued locale.
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Este es un manipulador de E / S, puede ser llamada con una expresión como out << std::noskipws para cualquier out de std::basic_ostream tipo o con una expresión como in >> std::noskipws para cualquier in de std::basic_istream tipo .
Original:
This is an I/O manipulator, it may be called with an expression such as out << std::noskipws for any out of type std::basic_ostream or with an expression such as in >> std::noskipws for any in of type std::basic_istream.
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Contenido

[editar] Parámetros

str -
referencia a la secuencia de E / S
Original:
reference to I/O stream
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[editar] Valor de retorno

str (referencia a la corriente después de la manipulación)
Original:
str (reference to the stream after manipulation)
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[editar] Ejemplo

#include <iostream>
#include <sstream>
int main()
{
    char c1, c2, c3;
    std::istringstream("a b c") >> c1 >> c2 >> c3;
    std::cout << "Default  behavior: c1 = " << c1 << " c2 = " << c2 << " c3 = " << c3 << '\n';
    std::istringstream("a b c") >> std::noskipws >> c1 >> c2 >> c3;
    std::cout << "noskipws behavior: c1 = " << c1 << " c2 = " << c2 << " c3 = " << c3 << '\n';
}

Output:

Default  behavior: c1 = a c2 = b c3 = c
noskipws behavior: c1 = a c2 =   c3 = b

[editar] Ver también

borra los indicadores ios_base especificados
Original:
clears the specified ios_base flags
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(función) [edit]
establece los indicadores de ios_base especificados
Original:
sets the specified ios_base flags
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(función) [edit]