Erase an element with key as -1 from the multimap : multimap erase « map multimap « C++ Tutorial

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C++ Tutorial » map multimap » multimap erase 
23.15.1.Erase an element with key as -1 from the multimap
#include <map>
#include <iostream>
#include <string>

using namespace std;

typedef multimap <int, string> MULTIMAP_INT_STRING;

int main ()
{
    MULTIMAP_INT_STRING  mmapIntToString;

    mmapIntToString.insert (MULTIMAP_INT_STRING::value_type (3"Three"));
    mmapIntToString.insert (MULTIMAP_INT_STRING::value_type(45"Forty Five"));

    // Eraseing an element with key as -1 from the multimap
    if (mmapIntToString.erase (-10)
        cout << "Erased all pairs with -1 as key." << endl;

    MULTIMAP_INT_STRING::const_iterator iPairLocator;

    // Print the contents of the multimap to the screen
    for iPairLocator = mmapIntToString.begin ()
        ; iPairLocator != mmapIntToString.end ()
        ; ++ iPairLocator )
    {
        cout << "Key: " << iPairLocator->first;
        cout << ", Value: " << iPairLocator->second.c_str () << endl;
    }

    return 0;
}
23.15.multimap erase
23.15.1.Erase an element with key as -1 from the multimap
23.15.2.Erase an element given an iterator from the multimap
23.15.3.Erase a range from the multimap
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