rb_set_class_path_string  739 class.c            rb_set_class_path_string(klass, outer, rb_id2str(id));
rb_set_class_path_string  810 class.c            rb_set_class_path_string(module, outer, rb_id2str(id));
rb_set_class_path_string  920 include/ruby/intern.h void rb_set_class_path_string(VALUE, VALUE, VALUE);