Play a random Unity AudioClip without playing the same one twice in a row

RandomAudioClipPlayer.cs

using UnityEngine;

//Play a random Unity AudioClip without playing the same one twice in a row. Useful for adding variety for otherwise repetitive sounds.
public class RandomAudioClipPlayer
{
    private readonly AudioClip[] clips;
    private readonly AudioSource audioSource;
    private AudioClip lastClip;

    //`clips` is the list of sounds to play from
    //`audioSource` manages the sound playback
    public RandomAudioClipPlayer(AudioClip[] clips, AudioSource audioSource)
    {
        this.clips = clips;
        this.audioSource = audioSource;
        lastClip = null;
    }

    //Play a sound at full volume
    public void Play()
    {
        Play(1.0f);
    }

    //Play a sound at a specified volume
    public void Play(float volume)
    {
        if (clips == null || clips.Length == 0)
            return;

        if (clips.Length == 1)
        {
            audioSource.PlayOneShot(clips[0], volume);
            return;
        }

        AudioClip nextClip;
        do
        {
            nextClip = clips[Random.Range(0, clips.Length)];
        } while (nextClip == lastClip);
        audioSource.PlayOneShot(nextClip, volume);
        lastClip = nextClip;
    }
}