∀ {α : Type u_1} {n : ℕ} {res : Batteries.BinomialHeap.Imp.Heap α} (s : Batteries.BinomialHeap.Imp.HeapNode α),
  (Batteries.BinomialHeap.Imp.HeapNode.toHeap.go s n res).realSize = s.realSize + res.realSize