lean4-htt/tests/lean/run/generalizeMany.lean
Kim Morrison 3a457e6ad6
chore: use #guard_msgs in run tests (#4175)
Many of our tests in `tests/lean/run/` produce output from `#eval` (or
`#check`) statements, that is then ignored.

This PR tries to capture all the useful output using `#guard_msgs`. I've
only done a cursory check that the output is still sane --- there is a
chance that some "unchecked" tests have already accumulated regressions
and this just cements them!

In the other direction, I did identify two rotten tests:
* a minor one in `setStructInstNotation.lean`, where a comment says `Set
Nat`, but `#check` actually prints `?_`. Weird?
* `CompilerProbe.lean` is generating empty output, apparently indicating
that something is broken, but I don't know the signficance of this file.

In any case, I'll ask about these elsewhere.

(This started by noticing that a recent `grind` test file had an
untested `trace_state`, and then got carried away.)
2024-05-16 00:38:31 +00:00

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set_option pp.analyze false
/--
warning: declaration uses 'sorry'
---
info: p : (n : Nat) → Fin n → Prop
n : Nat
v : Fin n
n' : Nat
v' : Fin n'
h₁ : n.succ = n'
h₂ : HEq v.succ v'
⊢ p n' v'
-/
#guard_msgs in
example (p : (n : Nat) → Fin n → Prop)
(n : Nat)
(v : Fin n)
: p n.succ v.succ := by
generalize h₁ : n.succ = n', h₂ : v.succ = v'
trace_state
admit