inline std::string
Comparator::compare(std::string x_n, SetVar x, SetVar y) {
SetVarGlbRanges xglbr(x), yglbr(y);
SetVarLubRanges xlubr(x), ylubr(y);
if (! (Iter::Ranges::equal(xglbr,yglbr) &&
Iter::Ranges::equal(xlubr,ylubr) &&
x.cardMin() == y.cardMin() &&
y.cardMax() == y.cardMax()) ) {
std::ostringstream ret;
ret << x_n << "=" << x << " -> " << y;
return ret.str();
}
return "";
}
