}

func invertMapSU8(hf2i map[string]uint8) map[uint8]string {
	hi2f := make(map[uint8]string)
	for hs, i := range hf2i {
		hi2f[i] = hs
	}
	return hi2f
}

func (h *nextHist) equals(k *nextHist) bool {
	if len(h.f2i) != len(k.f2i) {
		return false
	}
	if len(h.ps) != len(k.ps) {
		return false
	}
	hi2f := invertMapSU8(h.f2i)
	ki2f := invertMapSU8(k.f2i)