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isprint

Verifica se un elemento in impostazioni locali è un carattere stampabile.

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

Parametri

  • _Ch
    l'elemento da testare.

  • _Loc
    Le impostazioni locali che contengono l'elemento da testare.

Valore restituito

true se l'elemento è verificato uno stampabile; false caso contrario.

Note

La funzione di modello restituisce use_facet<tipo C<char> > (_Loc).viene(ctype< >_double_colon_print, _Chdichar).

Esempio

// 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.

Requisiti

intestazione: <locale>

Spazio dei nomi: deviazione standard