FormattedJson

std::string s = "[\n"
                        "   {\n"
                        "      \"array\":[\n"
                        "         1,\n"
                        "         2,\n"
                        "         3\n"
                        "      ],\n"
                        "      \"bool\":true,\n"
                        "      \"double\":42.1,\n"
                        "      \"int\":42,\n"
                        "      \"map\":{\n"
                        "         \"key\":\"value\"\n"
                        "      },\n"
                        "      \"null\":null,\n"
                        "      \"string\":\"hello\"\n"
                        "   }\n"
                        "]";
        Array arr;
arr.emplace_back(Dict{
            {"int"s, 42},
            {"double"s, 42.1},
            {"null"s, nullptr},
            {"string"s, "hello"s},
            {"array"s, Array{1, 2, 3}},
            {"bool"s, true},
            {"map"s, Dict{{"key"s, "value"s}}},
            });
        std::stringstream strm;
        strm << s;
        const auto doc = Load(strm);
        assert(doc.GetRoot() == arr);
        Print(doc, cout);