static scm_t_bits smob_tag_; \
static SCM mark_smob (SCM); \
static size_t free_smob (SCM s); \
static int print_smob (SCM s, SCM p, scm_print_state*); \
public: \
static SCM equal_p (SCM a, SCM b); \
static scm_t_bits smob_tag_; \
static SCM mark_smob (SCM); \
static size_t free_smob (SCM s); \
static int print_smob (SCM s, SCM p, scm_print_state*); \
public: \
static SCM equal_p (SCM a, SCM b); \