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/*
This example shows that the map's erase() function does not use
the delete operator if the data element of the map is a pointer.
Remove the explicit delete operator and notice that the
destructor isn't called anymore
*/
#include <iostream>
#include <hash_map>
class Item
{
public:
~Item()
{
cerr << "Destructor called\n";
}
};
int main(int argc, char **argv)
{
hash_map<char const *, Item *>
hm;
if (hm["item"])
cout << "hm[item] exists\n";
else
cout << "hm[item] does not exist\n";
hm["item"] = new Item;
delete hm["item"];
hm.erase("item");
if (hm["item"])
cout << "hm[item] exists\n";
else
cout << "hm[item] does not exist\n";
}
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