MonoBehaviour Do, DoAfter, and Repeat for StartCoroutine

Utility.cs

using System;
using System.Collections;
using UnityEngine;
namespace ca.HenrySoftware.Rage
{
	public static partial class MonoBehaviourExtensions
	{
		public static void Do(this MonoBehaviour m, Action a)
		{
			m.StartCoroutine(DoCoroutine(a));
		}
		private static IEnumerator DoCoroutine(Action a)
		{
			yield return null;
			a();
		}
		public static void DoAfter(this MonoBehaviour m, Action a, float t)
		{
			m.StartCoroutine(DoAfterCoroutine(a, t));
		}
		private static IEnumerator DoAfterCoroutine(Action a, float t)
		{
			yield return new WaitForSeconds(t);
			a();
		}
		public static void Repeat(this MonoBehaviour m, Action a, float t)
		{
			m.StartCoroutine(RepeatCoroutine(a, t));
		}
		private static IEnumerator RepeatCoroutine(Action a, float t)
		{
			a();
			while (true)
				yield return DoAfterCoroutine(a, t);
		}
	}
}