static void Sp_valueOf(js_State *J)
{
	js_Object *self = js_toobject(J, 0);
	if (self->type != JS_CSTRING) js_typeerror(J, "not a string");
	js_pushliteral(J, self->u.s.string);
}
static void Sp_valueOf(js_State *J)
{
	js_Object *self = js_toobject(J, 0);
	if (self->type != JS_CSTRING) js_typeerror(J, "not a string");
	js_pushliteral(J, self->u.s.string);
}