mirror of
https://github.com/nlohmann/json.git
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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
26 lines
684 B
C++
26 lines
684 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 a JSON value
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const json j =
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{
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{"number", 1}, {"string", "foo"}, {"array", {1, 2}}
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};
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// read-only access
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// output element with JSON pointer "/number"
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std::cout << j["/number"_json_pointer] << '\n';
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// output element with JSON pointer "/string"
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std::cout << j["/string"_json_pointer] << '\n';
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// output element with JSON pointer "/array"
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std::cout << j["/array"_json_pointer] << '\n';
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// output element with JSON pointer "/array/1"
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std::cout << j["/array/1"_json_pointer] << '\n';
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}
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