Coq Call 2023 05 09
- May 9th 4pm UTC+2 (Paris time zone offset)
- https://rdv2.rendez-vous.renater.fr/coq-call
- Early feedback about deterministic timeouts and memory limits: https://github.com/coq/coq/pull/17266 (gadmm & Gaëtan, 15 min)
- What to do about https://github.com/coq/coq/pull/17432 (reinfer univ inconsistency when explanation is missing) (Gaëtan, 15min)
- bikeshed syntax for https://github.com/coq/coq/pull/17509 (rewrite_strat fixpoint operator) (Gaëtan, 15min)
- Chairman: Ali Caglayan
- Secretary: PMP
- GADMM: this is pending on support in OCaml 5.0 and requires an OCaml version higher than the Coq lower bound.
- GADMM: Is it solving the Coq reliability issue? (Unclear).
- PMP: should be put as an optional dependency
- EJGA: this seems to make asynchronous exceptions possible, so nice to polish
- PMP: maybe worth staging into a plugin
Result: Status quo, let's wait to see whether OCaml 5.0 makes the implementation of this library possible.
- GG: performance concerns.
- AC: maybe guard with a flag, produce a different error and cleanly document the behaviour
- Discussion about annotating NotConvertible with the missing constraints instead
Result: Status quo, let's discuss more in the PR.
- GG: various problems with parsing
- PMP: don't introduce a different syntax for bound fix variables and do the check at runtime instead
- Discussion about an Ltac2 API
- AC: well-parenthesize the fix node with
end
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