xref: /third_party/json/docs/examples/emplace_back.cpp
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1c5f01b2fSopenharmony_ci#include <iostream>
2c5f01b2fSopenharmony_ci#include <nlohmann/json.hpp>
3c5f01b2fSopenharmony_ci
4c5f01b2fSopenharmony_ciusing json = nlohmann::json;
5c5f01b2fSopenharmony_ci
6c5f01b2fSopenharmony_ciint main()
7c5f01b2fSopenharmony_ci{
8c5f01b2fSopenharmony_ci    // create JSON values
9c5f01b2fSopenharmony_ci    json array = {1, 2, 3, 4, 5};
10c5f01b2fSopenharmony_ci    json null;
11c5f01b2fSopenharmony_ci
12c5f01b2fSopenharmony_ci    // print values
13c5f01b2fSopenharmony_ci    std::cout << array << '\n';
14c5f01b2fSopenharmony_ci    std::cout << null << '\n';
15c5f01b2fSopenharmony_ci
16c5f01b2fSopenharmony_ci    // add values
17c5f01b2fSopenharmony_ci    array.emplace_back(6);
18c5f01b2fSopenharmony_ci    null.emplace_back("first");
19c5f01b2fSopenharmony_ci    null.emplace_back(3, "second");
20c5f01b2fSopenharmony_ci
21c5f01b2fSopenharmony_ci    // print values
22c5f01b2fSopenharmony_ci    std::cout << array << '\n';
23c5f01b2fSopenharmony_ci    std::cout << null << '\n';
24c5f01b2fSopenharmony_ci}
25

Indexes created Thu Nov 07 10:32:03 CST 2024