function initGlobals831() { 
}


function main157() { 
    initGlobals831();
    init_test209();
}


function config556() { 
}


function init_test209() { 
    local group g141
    local group iterator193
    g_141 = null<group>;
    iterator_193 = group_iterator152(g_141);
    loop {
        exitwhen (not group_hasNext458(iterator_193));
        group_next206(iterator_193);
    };
    group_close862(iterator_193);
}


function group_iterator152(group this161) returns group { 
    return this_161;
}


function group_hasNext458(group this637) returns boolean { 
    return (FirstOfGroup170(this_637) != null<unit>);
}


IS_NATIVE IS_EXTERN @extern function FirstOfGroup170(group g607) returns unit { 
}


function group_next206(group this193) returns unit { 
    local unit u228
    u_228 = FirstOfGroup170(this_193);
    GroupRemoveUnit154(this_193, u_228);
    return u_228;
}


IS_NATIVE IS_EXTERN @extern function GroupRemoveUnit154(group g132, unit u942) { 
}


function group_close862(group this119) { 
}