rb_singleton_class 728 class.c            rb_define_method(rb_singleton_class(obj), name, func, argc);
rb_singleton_class 3217 eval.c         		rb_add_method(rb_singleton_class(ruby_class),
rb_singleton_class 3249 eval.c         	    klass = rb_singleton_class(recv);
rb_singleton_class 3383 eval.c         	    klass = rb_singleton_class(result);
rb_singleton_class 5310 eval.c         	klass = rb_singleton_class(self);
rb_singleton_class 5802 eval.c         	rb_add_method(rb_singleton_class(module), id, body->nd_body, NOEX_PUBLIC);
rb_singleton_class 5865 eval.c             rb_include_module(rb_singleton_class(obj), module);
rb_singleton_class 7160 eval.c         	rb_add_method(rb_singleton_class(mod), id, node, NOEX_PUBLIC);