C++ Bitset Library - set() Function

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Description

The C++ function std::bitset::set() set all bits from bitset to one.

Declaration

Following is the declaration for std::bitset::set() function form std::bitset header.

C++98

bitset& set();

C++11

bitset& set() constexpr;

Parameters

None

Return value

Returns this pointer.

Exceptions

This member function never throws exception.

Example

The following example shows the usage of std::bitset::set() function.

#include <iostream>
#include <bitset>

using namespace std;

int main(void) {

   bitset<4> b;

   cout << "Before set operation b = " << b << endl;

   b.set();

   cout << "After set operation b = " << b << endl;

   return 0;
}

Let us compile and run the above program, this will produce the following result −

Before set operation b = 0000
After set operation b = 1111