Tests if the multimap object on the left side of the operator is not equal to the multimap object on the right side.
bool operator!=(
const multimap <Key, Type, Traits, Allocator>& _Left,
const multimap <Key, Type, Traits, Allocator>& _Right
);
Parameters
_Left
An object of type multimap._Right
An object of type multimap.
Return Value
true if the multimaps are not equal; false if multimaps are equal.
Remarks
The comparison between multimap objects is based on a pairwise comparison of their elements. Two multimaps are equal if they have the same number of elements and their respective elements have the same values. Otherwise, they are unequal.
Example
// multimap_op_ne.cpp
// compile with: /EHsc
#include <map>
#include <iostream>
int main( )
{
using namespace std;
multimap <int, int> m1, m2, m3;
int i;
typedef pair <int, int> Int_Pair;
for ( i = 0 ; i < 3 ; i++ )
{
m1.insert ( Int_Pair ( i, i ) );
m2.insert ( Int_Pair ( i, i * i ) );
m3.insert ( Int_Pair ( i, i ) );
}
if ( m1 != m2 )
cout << "The multimaps m1 and m2 are not equal." << endl;
else
cout << "The multimaps m1 and m2 are equal." << endl;
if ( m1 != m3 )
cout << "The multimaps m1 and m3 are not equal." << endl;
else
cout << "The multimaps m1 and m3 are equal." << endl;
}
The multimaps m1 and m2 are not equal. The multimaps m1 and m3 are equal.
Requirements
Header: <map>
Namespace: std