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= Contents =
- [[#C++ Examples|C++ Examples]]
- [[#C++ Examples#Friend operator|Friend operator]]
= C++ Examples =
== Friend operator ==
{{{c++
#include <iostream>
class T {
int x;
public:
T (int x);
friend std::ostream& operator<<(std::ostream&, const T&);
};
T::T (int x) {
this->x = x;
}
std::ostream& operator<<(std::ostream& out, const T& t) {
out << "T {" << t.x << "}";
return out;
}
int main () {
T t(10);
std::cout << t << std::endl;
}
}}}
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