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// move algorithm example
#include <iostream> // std::cout
#include <algorithm> // std::move (ranges)
#include <utility> // std::move (objects)
#include <vector> // std::vector
#include <string> // std::string
int main () {
std::vector<std::string> foo = {"air","water","fire","earth"};
std::vector<std::string> bar (4);
// moving ranges:
std::cout << "Moving ranges...\n";
std::move ( foo.begin(), foo.begin()+4, bar.begin() );
std::cout << "foo contains " << foo.size() << " elements:";
std::cout << " (each in an unspecified but valid state)";
std::cout << '\n';
std::cout << "bar contains " << bar.size() << " elements:";
for (std::string& x: bar) std::cout << " [" << x << "]";
std::cout << '\n';
// moving container:
std::cout << "Moving container...\n";
foo = std::move (bar);
std::cout << "foo contains " << foo.size() << " elements:";
for (std::string& x: foo) std::cout << " [" << x << "]";
std::cout << '\n';
std::cout << "bar is in an unspecified but valid state";
std::cout << '\n';
return 0;
}
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