Question by $$anonymous$$ · Oct 08, 2019 at 07:00 PM · component monobehaviour components mono-behaviour

Public MonoBehavior string fields empty

This is bizarre enough that it has to be me being an idiot.

I have a MonoBehaviour with some public fields and public methods:

 public class MyComponentA : MonoBehaviour
 {
     public string Message = "Foobar";
     public int Integer = 42;
 
     public string GetMessage() => "This is a message.";
     public int GetInteger() => 42;
 }

I've added it to a prefab called Circle_A.

Circle_B has a MonoBehavior that will instantiate an instance of Circle_A, get the component and log out the values returned from the fields and the methods:

 public class CircleB : MonoBehaviour
 {
     [SerializeField] private GameObject _circleAPrefab;
 
     private void Start()
     {
         var circleAInstance = Instantiate(_circleAPrefab, new Vector2(10, 10), Quaternion.Euler(Vector3.zero),transform);
         var myComponentA = circleAInstance.GetComponent<MyComponentA>();
         var message = myComponentA.Message;
         LogIt(message);
         LogIt(myComponentA.GetMessage());
         LogIt(message);
         Log(myComponentA.Integer);
         Log(myComponentA.GetInteger());
     }
 
     private static void LogIt(string message)
     {
         switch (message)
         {
             case null:
                 Log("NULL");
                 return;
             case "":
                 Log("EMPTY");
                 return;
             default:
                 Log($"'{message}'");
                 return;
         }
     }
 }

The integer field and both the methods return as expected, the number 42 and the message`This is a message`. The message field however is always an empty string.

What's happening?

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