public static dfList <T> .PooledEnumerator Obtain(dfList <T> list, Func <T, bool> predicate = null)
{
dfList <T> .PooledEnumerator enumerator = (dfList <T> .PooledEnumerator.pool.Count <= 0) ? new dfList <T> .PooledEnumerator() : dfList <T> .PooledEnumerator.pool.Dequeue();
enumerator.ResetInternal(list, predicate);
return(enumerator);
}