dinkyecs_sandbox/point.hpp

#pragma once
#include <vector>

struct Point
{
    size_t x = 0;
    size_t y = 0;

    bool operator==(const Point &other) const
    {
        return other.x == x && other.y == y;
    }
};

typedef std::vector<Point> PointList;

template <>
struct std::hash<Point>
{
    size_t operator()(const Point &p) const
    {
        auto hasher = std::hash<int>();
        return hasher(p.x) ^ hasher(p.y);
    }
};