bitset::any


public member function
bool any ( ) const;

Test if any bit is set

Returns whether any of the bits in the bitset is set.

Parameters

none

Return value

true if any of the bits in the bitset is set, and false otherwise.

Example

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// bitset::any
#include <iostream>
#include <bitset>
using namespace std;

int main ()
{
  bitset<16> mybits;

  cout << "enter a binary number: ";
  cin >> mybits;

  if (mybits.any())
    cout << "mybits has " << (int)mybits.count() << " bits set.\n";
  else cout << "mybits has no bits set.\n";

  return 0;
}


See also

bitset::count Count bits set (public member function)
bitset::none Test if no bit is set (public member function)
bitset::test Return bit value (public member function)