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libraries/ArduinoJson/extras/scripts/wandbox/JsonGeneratorExample.cpp

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+// ArduinoJson - https://arduinojson.org
+// Copyright © 2014-2025, Benoit BLANCHON
+// MIT License
+//
+// This example shows how to generate a JSON document with ArduinoJson.
+
+#include <iostream>
+#include "ArduinoJson.h"
+
+int main() {
+  // Allocate the JSON document
+  JsonDocument doc;
+
+  // Add values in the document.
+  doc["sensor"] = "gps";
+  doc["time"] = 1351824120;
+
+  // Add an array
+  JsonArray data = doc["data"].to<JsonArray>();
+  data.add(48.756080);
+  data.add(2.302038);
+
+  // Generate the minified JSON and send it to STDOUT
+  serializeJson(doc, std::cout);
+  // The above line prints:
+  // {"sensor":"gps","time":1351824120,"data":[48.756080,2.302038]}
+
+  // Start a new line
+  std::cout << std::endl;
+
+  // Generate the prettified JSON and send it to STDOUT
+  serializeJsonPretty(doc, std::cout);
+  // The above line prints:
+  // {
+  //   "sensor": "gps",
+  //   "time": 1351824120,
+  //   "data": [
+  //     48.756080,
+  //     2.302038
+  //   ]
+  // }
+}