method_inspect   2970 proc.c             rb_define_method(rb_cMethod, "inspect", method_inspect, 0);
method_inspect   2971 proc.c             rb_define_method(rb_cMethod, "to_s", method_inspect, 0);
method_inspect   2994 proc.c             rb_define_method(rb_cUnboundMethod, "inspect", method_inspect, 0);
method_inspect   2995 proc.c             rb_define_method(rb_cUnboundMethod, "to_s", method_inspect, 0);