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#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
using namespace std;
//regex s_inetAddr(R"(^\s+inet addr:(\S+))");
struct VI: public vector<int>
{
int d_v = 1;
VI()
{
cout << "VI default\n";
}
~VI()
{
}
VI(VI const &other)
:
vector<int>(other),
d_v(other.d_v)
{
cout << "VI copycons\n";
}
VI(VI &&tmp)
:
vector<int>(std::move(tmp)),
d_v(tmp.d_v)
{
cout << "VI move cons\n";
}
VI &operator=(VI const &other)
{
VI tmp{ other };
swap(tmp);
return *this;
}
void swap(VI &other)
{
std::swap(d_v, other.d_v);
static_cast<vector<int> &>(*this).swap(other);
}
VI &operator+=(VI const &rhs)
{
d_v += rhs.d_v;
return *this;
}
VI &operator+=(VI &&tmp)
{
d_v += tmp.d_v;
return *this;
}
};
VI operator+(VI const &lhs, VI const &rhs)
{
VI tmp{ lhs };
cout << "adding, returning new object\n";
tmp += rhs;
return tmp;
}
VI &&operator+(VI &&tmp, VI const &rhs)
{
cout << "adding, returning available temporary object\n";
tmp += rhs;
return std::move(tmp);
}
int main()
{
VI a, b, c, d;
d = a + b + c + d + a + b + c + d;
}
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