multiset::empty

Tests if a multiset is empty.

bool empty( ) const;

Return Value

true if the multiset is empty; false if the multiset is nonempty.

Example

// multiset_empty.cpp
// compile with: /EHsc
#include <set>
#include <iostream>

int main( )
{
   using namespace std;
   multiset <int> ms1, ms2;
   ms1.insert ( 1 );

   if ( ms1.empty( ) )
      cout << "The multiset ms1 is empty." << endl;
   else
      cout << "The multiset ms1 is not empty." << endl;

   if ( ms2.empty( ) )
      cout << "The multiset ms2 is empty." << endl;
   else
      cout << "The multiset ms2 is not empty." << endl;
}

The multiset ms1 is not empty.
The multiset ms2 is empty.

Requirements

Header: <set>

Namespace: std

See Also

Reference

multiset Class

Standard Template Library