Unity best time tracking

using UnityEngine;

// by @kurtdekker - ultra simple best time backing store

public static partial class TheBest
{
    // for times: lower is better
    private static string s_LowestTime = "LowestTime";

    public static bool HaveBestTime
    {
        get
        {
            return PlayerPrefs.HasKey(s_LowestTime);
        }
    }

    public static float BestTime
    {
        get
        {
            return PlayerPrefs.GetFloat(s_LowestTime, 0);
        }
        private set     // make this public if you trust yourself
        {
            PlayerPrefs.SetFloat(s_LowestTime, value);
        }
    }

    public static bool RecordTimeIfLower(float time)
    {
        if (!HaveBestTime || (time < BestTime))
        {
            BestTime = time;
            return true;
        }
        return false;
    }

    public static void ClearBestTime()
    {
        if (HaveBestTime)
        {
            PlayerPrefs.DeleteKey(s_LowestTime);
        }
    }
}