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template <typename T>
T no_arg() {
return T();
}
template <typename T>
T one_param(T value) {
return value;
}
template <typename T, typename U>
std::pair<T, U> two_params(T a, U b) {
return std::pair<T, U>(a, b);
}
template <typename T>
class A {
public:
template <typename U>
std::pair<T, U> method(T a, U b) {
return std::pair<T, U>(a, b);
}
template <typename U>
U part_method(std::pair<T, U> p) {
return p.second;
}
template <typename U>
U part_method_ref(const std::pair<T, U>& p) {
return p.second;
}
int overloaded(double d) {
return (int) d;
}
T overloaded(std::pair<T, T> p) {
return p.first;
}
template <typename U>
U overloaded(std::vector<U> v) {
return v[0];
}
template <typename U>
U overloaded(char* c, std::vector<U> v) {
return v[0];
}
};
template <typename T>
T nested_deduction(const T *a) {
return *a;
}
template <typename T, typename U>
std::pair<T, U> pair_arg(std::pair<T, U> a) {
return a;
}
template <typename T>
T* pointer_param(T* param) {
return param;
}
class double_pair : public std::pair<double, double> {
public:
double_pair(double x, double y) : std::pair<double, double>(x, y) { };
};
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