25 lines
633 B
C++
25 lines
633 B
C++
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#include <iostream>
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#include <string>
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#include <nlohmann/json.hpp>
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int main()
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{
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nlohmann::json j;
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j["pi"] = 3.141;
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j["happy"] = true;
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j["name"] = "Niels";
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j["nothing"] = nullptr;
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j["answer"]["everything"] = 42;
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j["list"] = {1, 0, 2};
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j["object"] = {{"currency", "USD"}, {"value", 42.99}};
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std::string s = j.dump();
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if (s != R"({"answer":{"everything":42},"happy":true,"list":[1,0,2],"name":"Niels","nothing":null,"object":{"currency":"USD","value":42.99},"pi":3.141})")
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{
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std::cerr << "Unexpected JSON serialization: " << s << std::endl;
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return 1;
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}
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return 0;
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}
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