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As I learned in https://github.com/melpon/wandbox/issues/209, this library is already installed at Wandbox, so we need to adjust the examples to use `#include "json.hpp"` insteas of `#include <json.hpp>`.
17 lines
323 B
C++
17 lines
323 B
C++
#include "json.hpp"
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using json = nlohmann::json;
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int main()
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{
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// create a JSON array
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json v = {1, 2, 3, 4};
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// insert number 10 before number 3
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auto new_pos = v.insert(v.begin() + 2, 10);
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// output new array and result of insert call
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std::cout << *new_pos << '\n';
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std::cout << v << '\n';
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}
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