template< class... Args > iterator emplace( const_iterator

size_type size() const;

iterator end();

key_equal key_eq() const;

void swap( forward_list& other );

template< class Key, class T, class Hash, class KeyEqual, class

allocator_type get_allocator() const;

template< class T, class Container, class Compare,class Alloc >

void swap( unordered_multimap& other );

template< class T, std::size_t N > void swap( array<T,N>&