C# Non-generic method in generic class

Question

Am trying to define a class that provides a random number between two values. It shall work with ints as well as with floats.

To only have a single class, I'd like to use generics. This works well for the member variables, but how do I define a method for only specific types?

The Random.Range method I use (from unity) can accept floats or ints so a cast is needed. The generic type does not seem to be castable at all however.

Have written this code to show what I am looking for. Does a syntax similar to this exist?

public class MinMaxSetting<T>
{
    public T min;
    public T max;

    public MinMaxSetting(T min_val, T max_val)
    {
        min = min_val;
        max = max_val;
    }

    public T GetRandom<int>()
    {
        return Random.Range((int)min, (int)max);
    }
    public T GetRandom<float>()
    {
        return Random.Range((float)min, (float)max);
    }
}

Answer 1

Found a solution: Extension Methods!
Surely a bit quirky but it does what it's supposed to and it's readable.

public class MinMaxSetting<T>
{
    public T min;
    public T max;

    public MinMaxSetting(T min_val, T max_val)
    {
        min = min_val;
        max = max_val;
    }
}

// Helper class just for the extension methods. The name is irrelevant.
public static class MinMaxSetting
{
    public static float GetRandom(this MinMaxSetting<float> self)
    {
        return UnityEngine.Random.Range(self.min, self.max);
    }
    public static int GetRandom(this MinMaxSetting<int> self)
    {
        return UnityEngine.Random.Range(self.min, self.max);
    }
}

Example:

public static void Main()
{
    MinMaxSetting<float> my_setting = new MinMaxSetting<float>(5.3f, 20.4f);
    Console.WriteLine(my_setting.GetRandom());
}