moneypunct::grouping
确定数值如何返回一区域设置特定的任何规则在小数点左边组合。
string grouping( ) const;
返回值
确定数值如何一区域设置特定的任何规则在小数点左边组合。
备注
成员函数返回。do_grouping
示例
// moneypunct_grouping.cpp
// compile with: /EHsc
#include <locale>
#include <iostream>
#include <sstream>
using namespace std;
int main( )
{
locale loc( "german_germany" );
const moneypunct <char, true> &mpunct =
use_facet <moneypunct <char, true> >( loc );
for (unsigned int i = 0; i <mpunct.grouping( ).length( ); i++ )
{
cout << loc.name( ) << " international grouping:\n the "
<< i <<"th group to the left of the radix character "
<< "is of size " << (int)(mpunct.grouping ( )[i])
<< endl;
}
cout << loc.name( ) << " international frac_digits\n to the right"
<< " of the radix character: "
<< mpunct.frac_digits ( ) << endl << endl;
const moneypunct <char, false> &mpunct2 =
use_facet <moneypunct <char, false> >( loc );
for (unsigned int i = 0; i <mpunct2.grouping( ).length( ); i++ )
{
cout << loc.name( ) << " domestic grouping:\n the "
<< i <<"th group to the left of the radix character "
<< "is of size " << (int)(mpunct2.grouping ( )[i])
<< endl;
}
cout << loc.name( ) << " domestic frac_digits\n to the right"
<< " of the radix character: "
<< mpunct2.frac_digits ( ) << endl << endl;
}
要求
页眉: <区域设置>
命名空间: std