# std::bitset<N>::to_string

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< cpp‎ | utility‎ | bitset

template< class CharT, class Traits, class Alloc > std::basic_string<CharT,Traits,Allocator> to_string() const; |  | (until C++11)
template< class CharT = char, class Traits = std::char_traits<CharT>, class Allocator = std::allocator<CharT> > std::basic_string<CharT,Traits,Allocator> to_string(CharT zero = CharT('0'), CharT one = CharT('1')) const; |  | (since C++11)

Converts the contents of the bitset to a string. Uses `zero` to represent bits with value of false and `one` to represent bits with value of true.

The resulting string contains `N` characters with the first character corresponds to the last (`N-1`th) bit and the last character corresponding to the first bit.

### Parameters

zero | - | character to use to represent false
one | - | character to use to represent true

### Return value

the converted string

### Exceptions

May throw std::bad_alloc from the the std::string constructor.

### Example

Run this code

    #include <iostream>
    #include <bitset>
    int main()
    {
        std::bitset<8> b(42);
        std::cout << b.to_string() << '\n'
                  << b.to_string('*') << '\n'
                  << b.to_string('O', 'X') << '\n';
    }

Output:

    00101010
    **1*1*1*
    OOXOXOXO

### See also

to_ulong | returns an unsigned long integer representation of the data (public member function)
to_ullong (C++11) | returns an unsigned long long integer representation of the data (public member function)

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