#ifndef BLANK_WORLD_BLOCK_HPP_
#define BLANK_WORLD_BLOCK_HPP_
+#include <iosfwd>
#include <glm/glm.hpp>
};
+bool operator ==(const Block &, const Block &);
+
+std::ostream &operator <<(std::ostream &, const Block &);
+std::ostream &operator <<(std::ostream &, const Block::Face &);
+std::ostream &operator <<(std::ostream &, const Block::Turn &);
+
}
#endif