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// swap multimaps
#include <iostream>
#include <map>
int main ()
{
std::multimap<char,int> foo,bar;
foo.insert(std::make_pair('x',100));
foo.insert(std::make_pair('y',200));
bar.insert(std::make_pair('a',11));
bar.insert(std::make_pair('b',22));
bar.insert(std::make_pair('a',55));
foo.swap(bar);
std::cout << "foo contains:\n";
for (std::multimap<char,int>::iterator it=foo.begin(); it!=foo.end(); ++it)
std::cout << (*it).first << " => " << (*it).second << '\n';
std::cout << "bar contains:\n";
for (std::multimap<char,int>::iterator it=bar.begin(); it!=bar.end(); ++it)
std::cout << (*it).first << " => " << (*it).second << '\n';
return 0;
}
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