#include #include // possible use case: use NLOHMANN_JSON_NAMESPACE instead of nlohmann using json = NLOHMANN_JSON_NAMESPACE::json; // macro needed to output the NLOHMANN_JSON_NAMESPACE as string literal #define Q(x) #x #define QUOTE(x) Q(x) int main() { std::cout << QUOTE(NLOHMANN_JSON_NAMESPACE) << std::endl; }