/*
  Forum: https://forum.arduino.cc/t/trying-to-assign-an-object-to-an-array-index/1424700/20
  Wokwi: https://wokwi.com/projects/452946744498618369

  ec2021

*/

struct GoB_Sensor
{
  int id = 0;
};

void setup() {
  Serial.begin(115200);
  GoB_Sensor mySensor;
  mySensor.id = 1;
  // Create a copy of mySensor
  GoB_Sensor sensorArray[1];
  sensorArray[0] = mySensor;
  Serial.println("----------------------------------");
  Serial.println("State when assigned to sensorArray");
  printValues(mySensor.id, sensorArray[0].id);
  // Change the id now
  mySensor.id = 9;
  Serial.println("----------------------------------");
  Serial.println("State after changing mySensor.id");
  // Changing mySensor.id does not affect the array entry
  printValues(mySensor.id, sensorArray[0].id);

  Serial.println("----------------------------------");
  // Reset the id and create a Pointer Array
  mySensor.id = 1;
  GoB_Sensor* pointerArray[1];
  pointerArray[0] = &mySensor;
  Serial.println("----------------------------------");
  Serial.println("State when assigned to pointerArray");
  printValues(mySensor.id, pointerArray[0]->id);
  //Change the id now
  mySensor.id = 9;
  // Changing mySensor.id does now affect the array entry
  Serial.println("----------------------------------");
  Serial.println("State after changing mySensor.id");
  printValues(mySensor.id, pointerArray[0]->id);

}

void loop() {
  // put your main code here, to run repeatedly:

}

void printValues(int id1, int id2) {
  Serial.print("mySensor.id = ");
  Serial.println(id1);
  Serial.print("Array Entry = ");
  Serial.println(id2);
}