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isdigit

요소는 로캘의 숫자 문자가 같은지 테스트 합니다.

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

매개 변수

  • _Ch
    테스트 요소입니다.

  • _Loc
    테스트 하는 요소를 포함 하는 로캘.

반환 값

true 이면 경우 테스트 요소 숫자 문자입니다. false 이면 되지 않은 경우.

설명

템플릿 함수가 반환 use_facet<ctype<CharType> >(_Loc).is(ctype<CharType>::digit, _Ch).

예제

// locale_is_digit.cpp
// compile with: /EHsc
#include <locale>
#include <iostream>

using namespace std;

int main( )   
{
   locale loc ( "German_Germany" );
   bool result1 = isdigit ( 'L', loc );
   bool result2 = isdigit ( '@', loc );
   bool result3 = isdigit ( '3', loc );

   if ( result1 )
      cout << "The character 'L' in the locale is "
           << "a numeric character." << endl;
   else
      cout << "The character 'L' in the locale is "
           << " not a numeric character." << endl;

   if ( result2 )
      cout << "The character '@' in the locale is "
           << "a numeric character." << endl;
   else
      cout << "The character '@' in the locale is "
           << " not a numeric character." << endl;

   if ( result3 )
      cout << "The character '3' in the locale is "
           << "a numeric character." << endl;
   else
      cout << "The character '3' in the locale is "
           << " not a numeric character." << endl;
}

Output

The character 'L' in the locale is  not a numeric character.
The character '@' in the locale is  not a numeric character.
The character '3' in the locale is a numeric character.

요구 사항

헤더: <locale>

네임 스페이스: std