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// clearing unordered_set
#include <iostream>
#include <string>
#include <unordered_set>
int main ()
{
std::unordered_set<std::string> myset =
{ "chair", "table", "lamp", "sofa" };
std::cout << "myset contains:";
for (const std::string& x: myset) std::cout << " " << x;
std::cout << std::endl;
myset.clear();
myset.insert("bed");
myset.insert("wardrobe");
myset.insert("nightstand");
std::cout << "myset contains:";
for (const std::string& x: myset) std::cout << " " << x;
std::cout << std::endl;
return 0;
}
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