FastList.InsertionSort C# (CSharp) Method

    public void InsertionSort(CompareFunc comparer) {
        for (int i = 1; i < size; i++) {
            T curr = array[i];
            int j = i;
            while (j > 0 && comparer(array[j - 1], curr) > 0) {
                array[j] = array[j-1];
                j--;
            }
            array[j] = curr;
        }
    }