ispunct

測試一個項目中的地區設定是否為標點符號。

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

參數

  • _Ch
    要測試的項目。

  • _Loc
    包含項目的地區設定要測試的。

傳回值

true ,如果測試的項目是標點符號, false ,否則會傳回。

備註

樣板函式傳回 use_facet<ctype<CharType> > (_Loc)。(ctype<CharType>::punct, _Ch)。

範例

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

using namespace std;

int main( )   
{
   locale loc ( "German_Germany" );
   bool result1 = ispunct ( 'L', loc );
   bool result2 = ispunct ( ';', loc );
   bool result3 = ispunct ( '*', loc );

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

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

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

Output

The character 'L' in the locale is  not a punctuation character.
The character ';' in the locale is a punctuation character.
The character '*' in the locale is a punctuation character.

需求

標題: <locale>

命名空間: std