namespace std {
template<class Key, class Pred, class A>
class set;
template<class Key, class Pred, class A>
class multiset;
// TEMPLATE FUNCTIONS
template<class Key, class Pred, class A>
bool operator==(
const set<Key, Pred, A>& lhs,
const set<Key, Pred, A>& rhs);
template<class Key, class Pred, class A>
bool operator==(
const multiset<Key, Pred, A>& lhs,
const multiset<Key, Pred, A>& rhs);
template<class Key, class Pred, class A>
bool operator!=(
const set<Key, Pred, A>& lhs,
const set<Key, Pred, A>& rhs);
template<class Key, class Pred, class A>
bool operator!=(
const multiset<Key, Pred, A>& lhs,
const multiset<Key, Pred, A>& rhs);
template<class Key, class Pred, class A>
bool operator<(
const set<Key, Pred, A>& lhs,
const set<Key, Pred, A>& rhs);
template<class Key, class Pred, class A>
bool operator<(
const multiset<Key, Pred, A>& lhs,
const multiset<Key, Pred, A>& rhs);
template<class Key, class Pred, class A>
bool operator>(
const set<Key, Pred, A>& lhs,
const set<Key, Pred, A>& rhs);
template<class Key, class Pred, class A>
bool operator>(
const multiset<Key, Pred, A>& lhs,
const multiset<Key, Pred, A>& rhs);
template<class Key, class Pred, class A>
bool operator<=(
const set<Key, Pred, A>& lhs,
const set<Key, Pred, A>& rhs);
template<class Key, class Pred, class A>
bool operator<=(
const multiset<Key, Pred, A>& lhs,
const multiset<Key, Pred, A>& rhs);
template<class Key, class Pred, class A>
bool operator>=(
const set<Key, Pred, A>& lhs,
const set<Key, Pred, A>& rhs);
template<class Key, class Pred, class A>
bool operator>=(
const multiset<Key, Pred, A>& lhs,
const multiset<Key, Pred, A>& rhs);
template<class Key, class Pred, class A>
void swap(
set<Key, Pred, A>& lhs,
set<Key, Pred, A>& rhs);
template<class Key, class Pred, class A>
void swap(
multiset<Key, Pred, A>& lhs,
multiset<Key, Pred, A>& rhs);
}