mutable-structs-async-await.cs

public static void Main(string[] args)
{
	var sInstance = new Structure(25);
	sInstance.Change(35);
	await sInstance.ChangeAsync(45);
}

public struct Structure 
{
   private int value;

   public Structure(int value) 
   {
      this.value = value;
   }

   public void Change(int value)
   {
      this.value = value;
   }

   public async Task ChangeAsync(int iValue)
   {
      await Task.Delay(1);
      this.value = value;
   }
}