key_equal key_eq() const;

float max_load_factor() const; (1)

bool empty() const;

template< class Key, class Hash, class KeyEqual, class Allocator > bool operator==(

size_type bucket_count() const;

void rehash( size_type count );

iterator find( const Key& key ); (1)

iterator find( const Key& key ); (1)

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

void merge( list& other ); (1)