private static void Log(string message)
{
    Console.WriteLine($"\n{message}");
    Environment.Exit(-1);
}

public static void Custom(string message)
{
    Log(message);
}

public static void Expected(string message, int line) 
{
    Log($"[{line}] Expected '{message}'!");
}

private static void Log(string message)
{
    Console.WriteLine($"\n{message}");
    Environment.Exit(-1);
}

public static void Custom(string message)
{
    Log(message);
}

public static void Expected(string message, int line) 
{
    Log($"[{line}] Expected '{message}'!");
}

public class Test
{
  [Inject] public Something _Smth;
  [Inject] public Foo _Foo;
  private int Id;

  public Test(int id)
  {
    Id = id;
  }
}

public class Test
{
  [Inject] public Something _Smth;
  [Inject] public Foo _Foo;
  private int Id;

  public Test(int id)
  {
    Id = id;
  }
}

Dictionary<AIUnitType, int> availableUnits = player.Units
.GroupBy(unit => unit.AIType)
.ToDictionary(group => group.Key, group => group.Count());

foreach (AIUnitType neededUnit in _recruitSettings.Units)
{
    if (availableUnits.ContainsKey(neededUnit) && availableUnits[neededUnit] > 0)
    {
        availableUnits[neededUnit]--;
    }
    else
    {
        AIUnitType replacementUnit = availableUnits.FirstOrDefault(pair => pair.Value > 0).Key;
        player.Units.First(unit => unit.AIType == replacementUnit).AIType = neededUnit;
        availableUnits[replacementUnit]--;
    }
}

Dictionary<AIUnitType, int> availableUnits = player.Units
.GroupBy(unit => unit.AIType)
.ToDictionary(group => group.Key, group => group.Count());

foreach (AIUnitType neededUnit in _recruitSettings.Units)
{
    if (availableUnits.ContainsKey(neededUnit) && availableUnits[neededUnit] > 0)
    {
        availableUnits[neededUnit]--;
    }
    else
    {
        AIUnitType replacementUnit = availableUnits.FirstOrDefault(pair => pair.Value > 0).Key;
        player.Units.First(unit => unit.AIType == replacementUnit).AIType = neededUnit;
        availableUnits[replacementUnit]--;
    }
}