#ifndef __UTIL_HPP_ #define __UTIL_HPP_ #include #include #include inline std::ostream &operator<<(std::ostream &os, const Vector2 &v) { os << "(" << v.x << ", " << v.y << ")"; return os; } inline std::ostream &operator<<(std::ostream &os, const Vector3 &v) { os << "(" << v.x << ", " << v.y << ", " << v.z << ")"; return os; } #endif