WaitForSeconds cached means less memory allocations because of coroutines

Wait.cs

//Usage example:
//yield return Wait.t2s5;//waits 2.5 seconds

using UnityEngine;
public class Wait
{
    public readonly static object frame = null;
    public readonly static WaitForEndOfFrame endOfFrame = new WaitForEndOfFrame();
    public readonly static WaitForFixedUpdate fixedUpdate = new WaitForFixedUpdate();

    public static readonly WaitForSecondsRealtime rt0s1 = new WaitForSecondsRealtime( 0.1f );
    public static readonly WaitForSecondsRealtime rt0s25 = new WaitForSecondsRealtime( 0.25f );
    public static readonly WaitForSecondsRealtime rt1s = new WaitForSecondsRealtime( 1f );
    public static readonly WaitForSecondsRealtime rt2s = new WaitForSecondsRealtime( 2f );

    public static readonly WaitForSeconds t0s01 = new WaitForSeconds( 0.01f );
    public static readonly WaitForSeconds t0s02 = new WaitForSeconds( 0.02f );
    public static readonly WaitForSeconds t0s05 = new WaitForSeconds( 0.05f );
    public static readonly WaitForSeconds t0s1 = new WaitForSeconds( 0.1f );
    public static readonly WaitForSeconds t0s2 = new WaitForSeconds( 0.2f );
    public static readonly WaitForSeconds t0s25 = new WaitForSeconds( 0.25f );
    public static readonly WaitForSeconds t0s3 = new WaitForSeconds( 0.3f );
    public static readonly WaitForSeconds t0s4 = new WaitForSeconds( 0.4f );
    public static readonly WaitForSeconds t0s5 = new WaitForSeconds( 0.5f );
    public static readonly WaitForSeconds t0s75 = new WaitForSeconds( 0.75f );
    public static readonly WaitForSeconds t1s = new WaitForSeconds( 1f );
    public static readonly WaitForSeconds t1s5 = new WaitForSeconds( 1.5f );
    public static readonly WaitForSeconds t2s = new WaitForSeconds( 2f );
    public static readonly WaitForSeconds t2s5 = new WaitForSeconds( 2.5f );
    public static readonly WaitForSeconds t3s = new WaitForSeconds( 3f );
    public static readonly WaitForSeconds t3s321 = new WaitForSeconds( 3.321f );
    public static readonly WaitForSeconds t4s = new WaitForSeconds( 4f );
    public static readonly WaitForSeconds t4s5 = new WaitForSeconds( 4.5f );
    public static readonly WaitForSeconds t5s = new WaitForSeconds( 5f );
    public static readonly WaitForSeconds t6s = new WaitForSeconds( 6f );
    public static readonly WaitForSeconds t7s = new WaitForSeconds( 7f );
    public static readonly WaitForSeconds t8s = new WaitForSeconds( 8f );
    public static readonly WaitForSeconds t8s5 = new WaitForSeconds( 8.5f );
    public static readonly WaitForSeconds t9s = new WaitForSeconds( 9f );
    public static readonly WaitForSeconds t10s = new WaitForSeconds( 10f );
}