isprint

Comprueba si un elemento en una configuración regional es un carácter imprimible.

template<Class CharType>
   bool isprint(
      CharType _Ch, 
      const locale& _Loc
   )

Parámetros

  • _Ch
    El elemento que se va a probar.

  • _Loc
    Configuración regional que contiene el elemento que se va a probar.

Valor devuelto

TRUE si el elemento probado es un imprimible; Falso si no es.

Comentarios

la función de la plantilla devuelve use_facet<C<CharType> > (_Loc).es(C<CharType>::impresión, _Ch).

Ejemplo

// locale_isprint.cpp
// compile with: /EHsc
#include <locale>
#include <iostream>
using namespace std;

int main( )   
{
   locale loc ( "German_Germany" );

   bool result1 = isprint ( 'L', loc );
   if ( result1 )
      cout << "The character 'L' in the locale is "
           << "a printable character." << endl;
   else
      cout << "The character 'L' in the locale is "
           << " not a printable character." << endl;

   bool result2 = isprint( '\t', loc );
   if ( result2 )
      cout << "The character 'backslash-t' in the locale is "
           << "a printable character." << endl;
   else
      cout << "The character 'backslash-t' in the locale is "
           << " not a printable character." << endl;

   bool result3 = isprint( '\n', loc );
   if ( result3 )
      cout << "The character 'backslash-n' in the locale is "
           << "a printable character." << endl;
   else
      cout << "The character 'backslash-n' in the locale is "
           << " not a printable character." << endl;
}

Output

The character 'L' in the locale is a printable character.
The character 'backslash-t' in the locale is a printable character.
The character 'backslash-n' in the locale is  not a printable character.

Requisitos

encabezado: <configuración regional>

espacio de nombres: std