Better Toggle group because the built in Toggle group in unity is useless

BetterToggleGroup.cs

// MIT License - Copyright (c) 2023, James Frowen
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;

public class BetterToggleGroup : MonoBehaviour
{
    public delegate void ToggleIndexOn(int index);

    [SerializeField] private int currentValue;
    [SerializeField] private List<Toggle> toggles;

    // todo interactable and colors?

    public event ToggleIndexOn OnChangeValue;

    private bool hasInit;
    private bool settingValue;
    public int Value => currentValue;

    private void Awake()
    {
        for (var i = 0; i < toggles.Count; i++)
        {
            var toggle = toggles[i];
            var index = i; // copy to local variable so that the correct value is captured by action
            toggle.onValueChanged.AddListener(on => ToggleChanged(on, index));
        }
    }

    private void Start()
    {
        SetValue(currentValue, false);
    }

    private void ToggleChanged(bool on, int i)
    {
        if (settingValue) // dont invoke event if we are inside the SetValue function
            return;

        Debug.Assert(on); // should not be setting to false
        Debug.Assert(currentValue != i); // should not be setting toggle that is the current value
        SetValue(i, true);
    }

    public void SetValue(int value, bool notify)
    {
        if (value >= toggles.Count)
            throw new System.IndexOutOfRangeException($"Failed to set ToggleGroup to value {value} because there are only {toggles.Count} toggles");

        if (hasInit && currentValue == value) // if not init, then call anyway for first setup
            return;

        hasInit = true;
        settingValue = true;
        currentValue = value;
        try
        {
            for (var i = 0; i < toggles.Count; i++)
            {
                var toggle = toggles[i];
                var nowOn = i == value;
                toggle.interactable = !nowOn;
                if (notify)
                {
                    toggle.isOn = nowOn;
                }
                else
                {
                    toggle.SetIsOnWithoutNotify(nowOn);
                }
            }
        }
        finally
        {
            settingValue = false;
        }

        if (notify)
        {
            OnChangeValue.Invoke(value);
        }
    }
}