C#

public namespace RangeExtensions
{
  public static class Range
  {
    public static bool IsInRange(this int value, int startRange, int endRange)
    {
      return value >= startRange && value <= endRange;
    }
  }
}

private void GetValueAndValidateIt()
{
  int value = GetValueFromSomewhere();
  if (value.IsInRange(0, 10))
    Console.WriteLine("The value is between 0 and 10");
  else
    Console.WriteLine("Drat it you fool, you just blew up the planet");
}

private void GetValueAndValidateIt()
{
  int value = GetValueFromSomewhere();
  if (Range.IsInRange(value, 0, 10))
    Console.WriteLine("The value is between 0 and 10");
  else
    Console.WriteLine("Drat it you fool, you just blew up the planet");
}

public abstract class MyBaseController
{
    protected void CommonCodeMethod()
    { 
    }
}
 
public class MyController1 : MyBaseController
{
    public void Foo()
    {
         CommonCodeMethod()
    } 
}
 
public class MyController2 : MyBaseController
{
    public void Foo()
    {
         CommonCodeMethod()
    }
}

impeham wrote:

Any other way to make it work?

Bastard Programmer from Hell
If you can't read my code, try converting it here[^]