void List<T>::CheckLinks(std::ostream& os) const
{
typename List<T>::ConstIterator i,j,k;
// bool ok = 1;
size_t n = 0;
for (i = this->Begin(), n = 0; i != this->End(); ++i, ++n)
{
j = i; --j; ++j;
k = i; ++k; --k;
if (!i.Valid() || !j.Valid() || !k.Valid() || i != j || i != k)
{
os << " ** forward reciprocity failure at position " << n << '\n';
// ok = 0;
break;
}
}
// if (ok) os << " ** passed forward reciprocity check\n";
for (i = this->rBegin(), n = Size(); i != this->rEnd(); --i, --n)
{
j = i; --j; ++j;
k = i; ++k; --k;
if (!i.Valid() || !j.Valid() || !k.Valid() || i != j || i != k)
{
os << " ** reverse reciprocity failure at position " << n << '\n';
// ok = 0;
break;
}
}
// if (ok) os << " ** passed reverse reciprocity check\n";
} // CheckLinks()
