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operators.cpp
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47 lines (42 loc) · 823 Bytes
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#include <sstream>
#include <string>
class NumberLike
{
public:
NumberLike(int n = 0) : mN(n) {}
NumberLike& operator+= (int i)
{
mN += i;
return *this;
}
std::string str() const
{
std::stringstream s;
s << mN;
return s.str();
}
std::string repr() const
{
std::stringstream s;
s << "NumberLike("<< mN << ")";
return s.str();
}
private:
int mN;
};
NumberLike operator+(NumberLike n, int i)
{
n += i;
return n;
};
#include <boost/python.hpp>
using namespace boost::python;
BOOST_PYTHON_MODULE(operators)
{
class_<NumberLike>("NumberLike")
.def(init< optional<int> >())
.def(self + int())
.def("__str__", &NumberLike::str)
.def("__repr__", &NumberLike::repr)
;
}