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While working on an experimental change of semantics of Ltac (rocq-prover/rocq#17087), I realized that the current version of rapply
in tlc basically reduce to a single call refine
on a evar-free term, due to the indirection to old_refine
which fails on the presence of unresolved _
.
I tried to fix rapply
(by inlining old_refine
) and only one example seems to need a fix (LibSet.v
, lemma set_in_extens_eq
, where typeclass
becomes useless), so it seems to be worth. Shall I propose a PR?
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