fact: Definition size_pred (sz : size) : option size := match sz with | Sanity => None | SuperFast => Some Sanity | Fast => Some SuperFast | Medium => Some Fast | Slow => Some Medium | VerySlow => Some Slow end.
imports: Coq.QArith.QArith Coq.Structures.Orders Coq.micromega.Lia Coq.Bool.Bool Coq.Sorting.Mergesort Coq.Lists.List Coq.ZArith.ZArith PerformanceExperiments.Sandbox