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libraries/Arduino_JSON/examples/JSONKitchenSink/JSONKitchenSink.ino

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+/*
+  JSON Kitchen Sink
+
+  This sketch demonstrates how to use various features
+  of the Official Arduino_JSON library.
+
+  This example code is in the public domain.
+*/
+
+#include <Arduino_JSON.h>
+
+void setup() {
+  Serial.begin(9600);
+  while (!Serial);
+
+  // boolean
+  booleanDemo();
+
+  intDemo();
+
+  doubleDemo();
+
+  stringDemo();
+
+  arrayDemo();
+
+  objectDemo();
+}
+
+void loop() {
+}
+
+void booleanDemo() {
+  Serial.println("boolean");
+  Serial.println("=======");
+
+  JSONVar myBoolean = true;
+
+  Serial.print("JSON.typeof(myBoolean) = ");
+  Serial.println(JSON.typeof(myBoolean)); // prints: boolean
+
+  Serial.print("myBoolean = ");
+  Serial.println(myBoolean); // prints: true
+
+  myBoolean = false;
+
+  Serial.print("myBoolean = ");
+  Serial.println((boolean) myBoolean); // prints: 0
+
+  Serial.println();
+}
+
+void intDemo() {
+  Serial.println("int");
+  Serial.println("===");
+
+  JSONVar myInt = 42;
+
+  Serial.print("JSON.typeof(myInt) = ");
+  Serial.println(JSON.typeof(myInt)); // prints: number
+
+  Serial.print("myInt = ");
+  Serial.println(myInt); // prints: 42
+
+  myInt = 4242;
+
+  Serial.print("myInt = ");
+  Serial.println((int) myInt); // prints: 4242
+
+  Serial.println();
+}
+
+void doubleDemo() {
+  Serial.println("double");
+  Serial.println("======");
+
+  JSONVar myDouble = 42.5;
+
+  Serial.print("JSON.typeof(myDouble) = ");
+  Serial.println(JSON.typeof(myDouble)); // prints: number
+
+  Serial.print("myDouble = ");
+  Serial.println(myDouble); // prints: 42.5
+
+  myDouble = 4242.4242;
+
+  Serial.print("myDouble = ");
+  Serial.println((double) myDouble, 4); // prints: 4242.4242
+
+  Serial.println();
+}
+
+void stringDemo() {
+  Serial.println("string");
+  Serial.println("======");
+
+  JSONVar myString = "Hello World!";
+
+  Serial.print("JSON.typeof(myString) = ");
+  Serial.println(JSON.typeof(myString)); // prints: string
+
+  Serial.print("myString = ");
+  Serial.println(myString); // prints: Hello World!
+
+  myString = ":)";
+
+  Serial.print("myString = ");
+  Serial.println((const char*) myString); // prints: :)
+
+  Serial.println();
+}
+
+void arrayDemo() {
+  Serial.println("array");
+  Serial.println("=====");
+
+  JSONVar myArray;
+
+  myArray[0] = 42;
+
+  Serial.print("JSON.typeof(myArray) = ");
+  Serial.println(JSON.typeof(myArray)); // prints: array
+
+  Serial.print("myArray = ");
+  Serial.println(myArray); // prints: [42]
+
+  Serial.print("myArray[0] = ");
+  Serial.println((int)myArray[0]); // prints: 42
+
+  myArray[1] = 42.5;
+
+  Serial.print("myArray = ");
+  Serial.println(myArray); // prints: [42,42.5]
+
+  Serial.print("myArray[1] = ");
+  Serial.println((double)myArray[1]); // prints: 42.50
+
+  Serial.println();
+}
+
+void objectDemo() {
+  Serial.println("object");
+  Serial.println("======");
+
+  JSONVar myObject;
+
+  myObject["foo"] = "bar";
+
+  Serial.print("JSON.typeof(myObject) = ");
+  Serial.println(JSON.typeof(myObject)); // prints: object
+
+  Serial.print("myObject.keys() = ");
+  Serial.println(myObject.keys()); // prints: ["foo"]
+
+  Serial.print("myObject = ");
+  Serial.println(myObject); // prints: {"foo":"bar"}
+
+  myObject["blah"]["abc"] = 42;
+
+  Serial.print("myObject.keys() = ");
+  Serial.println(myObject.keys()); // prints: ["foo","blah"]
+
+  Serial.print("myObject = ");
+  Serial.println(myObject); // prints: {"foo":"bar","blah":{"abc":42}}
+}