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std::bitset<N>::size

From cppreference.com
< cpp‎ | utility‎ | bitset
 
 
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std::size_t size() const;
(until C++11)
constexpr std::size_t size() const noexcept;
(since C++11)

Returns the number of bits that the bitset holds.

Contents

[edit] Parameters

(none)

[edit] Return value

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

[edit] Example

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

Output:

1024

[edit] See also

returns the number of bits set to true
(public member function) [edit]