std::bitset<N>:: size

Returns the number of bits that the bitset holds.

Parameters

(none)

Return value

number of bits that the bitset holds, i.e. the template parameter N .

Example

#include <bitset>
#include <iostream>
 
int main()
{
    std::cout << std::bitset<0x400>().size() << '\n';
}

1024

See also