SCM_API SCM scm_class_symbol;
SCM_API SCM scm_class_procedure_with_setter;
SCM_API SCM scm_class_primitive_generic;
-SCM_API SCM scm_class_vector, scm_class_null;
+SCM_API SCM scm_class_vector;
+SCM_API SCM scm_class_hashtable;
+SCM_API SCM scm_class_null;
SCM_API SCM scm_class_real;
SCM_API SCM scm_class_complex;
SCM_API SCM scm_class_integer;