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// map::clear
#include <iostream>
#include <map>
int main ()
{
std::map<char,int> mymap;
mymap['x']=100;
mymap['y']=200;
mymap['z']=300;
std::cout << "mymap contains:\n";
for (std::map<char,int>::iterator it=mymap.begin(); it!=mymap.end(); ++it)
std::cout << it->first << " => " << it->second << '\n';
mymap.clear();
mymap['a']=1101;
mymap['b']=2202;
std::cout << "mymap contains:\n";
for (std::map<char,int>::iterator it=mymap.begin(); it!=mymap.end(); ++it)
std::cout << it->first << " => " << it->second << '\n';
return 0;
}
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