FancyRange.cs

using System;

[Serializable]
public class FancyRange<T> where T : IComparable
{
    public T Min;
    public T Max;

    public FancyRange()
    {
        Min = default;
        Max = default;
    }

    public FancyRange(T min, T max)
    {
        Min = min;
        Max = max;
    }

    public virtual bool Contains(T val)
    {
        return val.CompareTo(Min) >= 0 && val.CompareTo(Max) <= 0;
    }

    public override string ToString()
    {
        return "(" + Min + ", " + Max + ")";
    }
}

[Serializable]
public class FancyIntRange : FancyRange<int>
{
    public FancyIntRange() : base() { }
    public FancyIntRange(int min, int max) : base(min, max) { }
}
[Serializable]
public class FancyFloatRange : FancyRange<float>
{
    public FancyFloatRange() : base() { }
    public FancyFloatRange(float min, float max) : base(min, max) { }
}
[Serializable]
public class FancyDoubleRange : FancyRange<double>
{
    public FancyDoubleRange() : base() { }
    public FancyDoubleRange(double min, double max) : base(min, max) { }
}
[Serializable]
public class FancyLongRange : FancyRange<long>
{
    public FancyLongRange() : base() { }
    public FancyLongRange(long min, long max) : base(min, max) { }
}
[Serializable]
public class FancyShortRange : FancyRange<short>
{
    public FancyShortRange() : base() { }
    public FancyShortRange(short min, short max) : base(min, max) { }
}
[Serializable]
public class FancySByteRange : FancyRange<sbyte>
{
    public FancySByteRange() : base() { }
    public FancySByteRange(sbyte min, sbyte max) : base(min, max) { }
}
[Serializable]
public class FancyByteRange : FancyRange<byte>
{
    public FancyByteRange() : base() { }
    public FancyByteRange(byte min, byte max) : base(min, max) { }
}
[Serializable]
public class FancyUShortRange : FancyRange<ushort>
{
    public FancyUShortRange() : base() { }
    public FancyUShortRange(ushort min, ushort max) : base(min, max) { }
}
[Serializable]
public class FancyUIntRange : FancyRange<uint>
{
    public FancyUIntRange() : base() { }
    public FancyUIntRange(uint min, uint max) : base(min, max) { }
}
[Serializable]
public class FancyULongRange : FancyRange<ulong>
{
    public FancyULongRange() : base() { }
    public FancyULongRange(ulong min, ulong max) : base(min, max) { }
}
[Serializable]
public class FancyDecimalRange : FancyRange<decimal>
{
    public FancyDecimalRange() : base() { }
    public FancyDecimalRange(decimal min, decimal max) : base(min, max) { }
}