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

result_type max() const;

void push_back( CharT ch );

Defined in header

template< class Key, class T, class Compare, class Alloc > bool operator==(

size_type size() const;

Defined in header

template<class T, class Deleter> struct hash<unique_ptr<T

basic_string& append( size_type count, CharT ch ); (1)

bool is_open() const;