void test2()
{
DynArray<int> a;
a.extend_default(3);
show(a);
a.extend_fill(3,1);
show(a);
const int buf[3]= {2,3,4};
a.extend_copy(3,buf);
show(a);
int sbuf[3]= {5,6,7};
a.extend_swap(3,sbuf);
show(a);
a.extend(3,SqList(7));
show(a);
a.extend(OddList(10,10));
show(a);
}
BuilderSlot & take(ulen slot_id)
{
ulen len=bslots.getLen();
if( slot_id>=len )
{
bslots.extend_default(LenAdd(slot_id-len,1));
}
return bslots[slot_id];
}