#include <stddef.h>

struct Object
{
    struct Class* class;
};

struct Class
{
    struct Class* class;

    const char* name;
    struct Class* super;
    struct Method* methods;
    size_t methods_count;
};

typedef struct Object* (*MethodImplementation)(struct Object* self);

struct Method
{
    const char* sel;
    MethodImplementation impl;
};

struct Object* msg_send(struct Object* self, const char* sel);