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locale::combine

Inserts a facet from a specified locale into a target locale.

template<class Facet>
    locale combine(
        const locale& _Loc
    ) const;

Parameters

  • _Loc
    The locale containing the facet to be inserted into the target locale.

Return Value

The member function returns a locale object that replaces in or adds to *this the facet Facet listed in _Loc.

Example

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

int main() {
   locale loc ( "German_germany" );
   _TCHAR * s1 = _T("Das ist wei\x00dfzz."); // \x00df is the German sharp-s; it comes before z in the German alphabet
   _TCHAR * s2 = _T("Das ist weizzz.");
   int result1 = use_facet<collate<_TCHAR> > ( loc ).
      compare (s1, &s1[_tcslen( s1 )-1 ],  s2, &s2[_tcslen( s2 )-1 ] );
   cout << isalpha (_T ( '\x00df' ), loc ) << result1 << endl;

   locale loc2 ( "C" );
   int result2 = use_facet<collate<_TCHAR> > ( loc2 ).
      compare (s1, &s1[_tcslen( s1 )-1 ],  s2, &s2[_tcslen( s2 )-1 ] );
   cout << isalpha (_T ( '\x00df' ), loc2 )  << result2 << endl;

   locale loc3 = loc2.combine<collate<_TCHAR> > (loc);
   int result3 = use_facet<collate<_TCHAR> > ( loc3 ).
      compare (s1, &s1[_tcslen( s1 )-1 ],  s2, &s2[_tcslen( s2 )-1 ] );
   cout << isalpha (_T ( '\x00df' ), loc3 ) << result3 << endl;
}

Sample Output

1-1
01
0-1

Requirements

Header: <locale>

Namespace: std

See Also

Reference

locale Class

Other Resources

locale Members