Geometry(): x(0), y(0), w(1), h(1) { }
Geometry(int x_, int y_, unsigned w_, unsigned h_): x(x_), y(y_), w(w_), h(h_) { }
bool is_inside(int, int) const;
Geometry(): x(0), y(0), w(1), h(1) { }
Geometry(int x_, int y_, unsigned w_, unsigned h_): x(x_), y(y_), w(w_), h(h_) { }
bool is_inside(int, int) const;
+ Sides(unsigned);
+ Sides(unsigned, unsigned);
+ Sides(unsigned, unsigned, unsigned);
+ Sides(unsigned, unsigned, unsigned, unsigned);