}
krn = mrb->kernel_module;
- mrb_define_method(mrb, krn, "sprintf", mrb_f_sprintf, MRB_ARGS_ANY());
- mrb_define_method(mrb, krn, "format", mrb_f_sprintf, MRB_ARGS_ANY());
+ mrb_define_method(mrb, krn, "sprintf", mrb_f_sprintf, MRB_ARGS_REQ(1)|MRB_ARGS_REST());
+ mrb_define_method(mrb, krn, "format", mrb_f_sprintf, MRB_ARGS_REQ(1)|MRB_ARGS_REST());
}
void