lean4-htt/tests/lean/run/approxDepth.lean
2022-01-22 07:45:19 -08:00

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Text

import Lean
open Lean
partial def test (n : Nat) : IO Unit := do
let rec go (e : Expr) (n : Nat) : IO Unit := do
match n with
| 0 => return ()
| n+1 =>
let eNew := mkApp (mkConst ``Nat.succ) e
IO.println s!"{eNew.approxDepth}"
assert! eNew.approxDepth >= e.approxDepth
go eNew n
go (mkConst ``Nat.zero) n
#eval test 500