记一次SortedDictionary的不当使用

using UnityEngine;
using System;
using System.Collections;
using System.Collections.Generic;

public class CustomComparer<T> : IComparer<T>
{
    Func<T, T, int> mComparerFunc;


    public CustomComparer(Func<T, T, int> comparer)
    {
        this.mComparerFunc = comparer;
    }

    public int Compare(T x, T y)
    {
        return mComparerFunc(x, y);
    }
}

public class SortedDictTest : MonoBehaviour
{
    SortedDictionary<string, int> mLeaderboard;


    void Start()
    {
        mLeaderboard = new SortedDictionary<string, int>(new CustomComparer<string>((x, y) => mLeaderboard[x].CompareTo(mLeaderboard[y])));

        mLeaderboard.Add("Jhon", 10);
        mLeaderboard.Add("Dark", 40);
        mLeaderboard.Add("Ellie", 20);

        foreach (var item in mLeaderboard)
        {
            Debug.Log("Name: " + item.Key + " Score: " + item.Value);
        }
    }
}

public class SortedDictTest : MonoBehaviour
{
    Dictionary<string, int> mScoreDict;
    SortedDictionary<string, int> mLeaderboard;


    void Start()
    {
        mScoreDict = new Dictionary<string, int>();
        mLeaderboard = new SortedDictionary<string, int>(new CustomComparer<string>((x, y) => mScoreDict[x].CompareTo(mScoreDict[y])));

        mScoreDict.Add("Jhon", 10);
        mScoreDict.Add("Dark", 40);
        mScoreDict.Add("Ellie", 20);

        mLeaderboard.Add("Jhon", 10);
        mLeaderboard.Add("Dark", 40);
        mLeaderboard.Add("Ellie", 20);

        foreach (var item in mLeaderboard)
        {
            Debug.Log("Name: " + item.Key + " Score: " + item.Value);
        }
    }
}