bool
NormalizedConstraintSet::StringRange::Intersects(const StringRange& aOther) const
{
if (!mExact.size() || !aOther.mExact.size()) {
return true;
}
ValueType intersection;
set_intersection(mExact.begin(), mExact.end(),
aOther.mExact.begin(), aOther.mExact.end(),
std::inserter(intersection, intersection.begin()));
return !!intersection.size();
}
typename boost::enable_if<is_sequence<ValueType>,
typename element_type<ValueType>::type>::type
slice_value(ValueType const& x ,unsigned i)
{
return i < x.size() ? x[i] : typename element_type<ValueType>::type();
}