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9aafcbe965
* Move UDLs into nlohmann::literals::json_literals namespace * Add 'using namespace' to unit tests * Add 'using namespace' to examples * Add 'using namespace' to README * Move UDL mkdocs pages out of basic_json/ * Update documentation * Update docset index * Add JSON_GlobalUDLs CMake option * Add unit test * Build examples without global UDLs * Add CI target
19 lines
563 B
C++
19 lines
563 B
C++
#include <iostream>
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#include <nlohmann/json.hpp>
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using json = nlohmann::json;
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using namespace nlohmann::literals;
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int main()
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{
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// create some JSON values
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json j_object = R"( {"key": "value"} )"_json;
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json j_array = R"( [1, 2, 3] )"_json;
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// call contains
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std::cout << std::boolalpha <<
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"j_object contains 'key': " << j_object.contains("key") << '\n' <<
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"j_object contains 'another': " << j_object.contains("another") << '\n' <<
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"j_array contains 'key': " << j_array.contains("key") << std::endl;
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}
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