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

allocator_type get_allocator() const;

void seed( result_type value = default_seed ); (1)

Usage do-while loop:

void open( const char *filename, ios_base::openmode mode = ios_base::in|ios_base::out

/*unspecified*/ operator[]( difference_type n ) const;

Defined in header

template< class ForwardIt > string_type transform( ForwardIt

template< class CharT, class Traits, class UIntType,

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