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#include <iostream>
#include <iomanip>
class Align
{
unsigned d_width;
std::ios::fmtflags d_alignment;
public:
Align(unsigned width, std::ios::fmtflags alignment);
std::ostream &operator()(std::ostream &ostr) const;
};
Align::Align(unsigned width, std::ios::fmtflags alignment)
:
d_width(width),
d_alignment(alignment)
{}
std::ostream &Align::operator()(std::ostream &ostr) const
{
ostr.setf(d_alignment, std::ios::adjustfield);
return ostr << std::setw(d_width);
}
std::ostream &operator<<(std::ostream &ostr, Align const &align)
{
return align(ostr);
}
using namespace std;
int main()
{
cout
<< "`" << Align(5, ios::left) << "hi" << "'"
<< "`" << Align(10, ios::right) << "there" << "'\n";
}
/*
Generated output:
`hi '` there'
*/
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