/* fetch_hash(with_table=false) */
static VALUE fetch_hash(int argc, VALUE* argv, VALUE obj)
{
VALUE with_table;
check_free(obj);
rb_scan_args(argc, argv, "01", &with_table);
if (with_table == Qnil)
with_table = Qfalse;
return fetch_hash2(obj, with_table);
}