lean4-htt/tests/lean/run/986.lean
2024-03-13 07:56:27 +00:00

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attribute [simp] Array.insertionSort.swapLoop
/--
info: Array.insertionSort.swapLoop.eq_1.{u_1} {α : Type u_1} (lt : αα → Bool) (a : Array α) (h : 0 < Array.size a) :
Array.insertionSort.swapLoop lt a 0 h = a
-/
#guard_msgs in
#check Array.insertionSort.swapLoop.eq_1
/--
info: Array.insertionSort.swapLoop.eq_2.{u_1} {α : Type u_1} (lt : αα → Bool) (a : Array α) (j' : Nat)
(h : Nat.succ j' < Array.size a) :
Array.insertionSort.swapLoop lt a (Nat.succ j') h =
let_fun h' := ⋯;
if lt a[Nat.succ j'] a[j'] = true then
Array.insertionSort.swapLoop lt (Array.swap a { val := Nat.succ j', isLt := h } { val := j', isLt := h' }) j' ⋯
else a
-/
#guard_msgs in
#check Array.insertionSort.swapLoop.eq_2