lean4-htt/tests/lean/1079.lean.expected.out
Sebastian Ullrich f97a7d4234
feat: incremental elaboration of definition headers, bodies, and tactics (#3940)
Extends Lean's incremental reporting and reuse between commands into
various steps inside declarations:
* headers and bodies of each (mutual) definition/theorem
* `theorem ... := by` for each contained tactic step, including
recursively inside supported combinators currently consisting of
  * `·` (cdot), `case`, `next`
  * `induction`, `cases`
  * macros such as `next` unfolding to the above

![Recording 2024-05-10 at 11 07
32](https://github.com/leanprover/lean4/assets/109126/c9d67b6f-c131-4bc3-a0de-7d63eaf1bfc9)

*Incremental reuse* means not recomputing any such steps if they are not
affected by a document change. *Incremental reporting* includes the
parts seen in the recording above: the progress bar and messages. Other
language server features such as hover etc. are *not yet* supported
incrementally, i.e. they are shown only when the declaration has been
fully processed as before.

---------

Co-authored-by: Scott Morrison <scott.morrison@gmail.com>
2024-05-22 13:23:30 +00:00

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1079.lean:4:2-6:12: error: alternative 'isFalse' has not been provided
[Meta.Tactic.simp.rewrite] h:1000, m ==> n
[Meta.Tactic.simp.rewrite] @eq_self:1000, n = n ==> True
[Meta.Tactic.simp.unify] @eq_self:1000, failed to unify
?a = ?a
with
Ordering.eq = Ordering.lt
[Meta.Tactic.simp.rewrite] @imp_self:10000, False → False ==> True