template< class Key, class T, class Hash, class KeyEqual, class Allocator >
bool operator==( const unordered_map<Key,T,Hash,KeyEqual,Allocator>& lhs,
const unordered_map<Key,T,Hash,KeyEqual,Allocator>& rhs ); (1) template< class Key, class T, class Hash, class KeyEqual, class Allocator >
bool operator!=( const unordered_map<Key,T,Hash,KeyEqual,Allocator>& lhs,
const unordered_map<Key,T,Hash,KeyEqual,Allocato