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// swapping istringstream objects
#include <string> // std::string
#include <iostream> // std::cout
#include <sstream> // std::istringstream
int main () {
std::istringstream foo ("100");
std::istringstream bar ("200");
swap(foo,bar); // unqualified (uses argument-dependent lookup)
int val;
foo >> val; std::cout << "foo: " << val << '\n';
bar >> val; std::cout << "bar: " << val << '\n';
return 0;
}
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