#include <boost/bit_logic/bit_array.hpp> 
   bit_array & operator= ( BitTypeT const & value ) ;
   bit_array & operator= ( const char * bit_string ) ; 
   bool operator== ( BitTypeT const & cmp_bits ) ;
   bit_handle operator[] ( std::size_t idx ) ; 
   bool operator[] ( std::size_t idx ) const ;

These member

For example:

 bit_array< 10 > simple, difficult ; 
 simple = "1100011000" ; 
 difficult = "1010101010" ; 
 simple = difficult ; 						  
 cout << simple << endl ;

This code would produce this output:

 1010101010

std::runtime_error	Mismatched size containers in assignment
bit_logic::bit_out_of_range	Indexed bit out of range of Bit Container