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#include <iostream>
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#define NLOHMANN_JSON_NAMESPACE_NO_VERSION 1
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#include <nlohmann/json.hpp>
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// macro needed to output the NLOHMANN_JSON_NAMESPACE as string literal
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#define Q(x) #x
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#define QUOTE(x) Q(x)
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int main()
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{
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std::cout << QUOTE(NLOHMANN_JSON_NAMESPACE) << std::endl;
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}
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