json/doc/examples/end.cpp

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#include <iostream>
#include <nlohmann/json.hpp>
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using json = nlohmann::json;
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int main()
{
// create an array value
json array = {1, 2, 3, 4, 5};
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// get an iterator to one past the last element
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json::iterator it = array.end();
// decrement the iterator to point to the last element
--it;
// serialize the element that the iterator points to
std::cout << *it << '\n';
}