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@@ -60,13 +60,56 @@ Linear.
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The example below shows the serialization with different parameters to `width` to adjust the indentation level.
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```cpp
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--8<-- "examples/operator_ltlt__basic_json.cpp"
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#include <iostream>
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#include <iomanip>
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#include <nlohmann/json.hpp>
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using json = nlohmann::json;
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int main()
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{
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// create JSON values
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json j_object = {{"one", 1}, {"two", 2}};
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json j_array = {1, 2, 4, 8, 16};
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// serialize without indentation
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std::cout << j_object << "\n\n";
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std::cout << j_array << "\n\n";
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// serialize with indentation
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std::cout << std::setw(4) << j_object << "\n\n";
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std::cout << std::setw(2) << j_array << "\n\n";
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std::cout << std::setw(1) << std::setfill('\t') << j_object << "\n\n";
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}
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```
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Output:
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```json
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--8<-- "examples/operator_ltlt__basic_json.output"
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{"one":1,"two":2}
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[1,2,4,8,16]
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{
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"one": 1,
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"two": 2
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}
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[
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1,
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2,
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4,
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8,
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16
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]
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{
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"one": 1,
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"two": 2
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}
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```
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??? example "Example: (2) write JSON pointer to stream"
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@@ -74,13 +117,27 @@ Linear.
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The example below shows how to write a JSON pointer to a stream.
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```cpp
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--8<-- "examples/operator_ltlt__json_pointer.cpp"
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#include <iostream>
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#include <nlohmann/json.hpp>
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using json = nlohmann::json;
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int main()
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{
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// create JSON pointer
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json::json_pointer ptr("/foo/bar/baz");
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// write string representation to stream
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std::cout << ptr << std::endl;
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}
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```
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Output:
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```json
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--8<-- "examples/operator_ltlt__json_pointer.output"
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/foo/bar/baz
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```
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## See also
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