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| author |  herbelin <herbelin@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2010-06-03 22:41:28 +0000 |
|---|---|---|
| committer | herbelin <herbelin@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2010-06-03 22:41:28 +0000 |
| commit | 3f96c12fc3108b3b66f78b3288d29ef26da98ed8 (patch) | |
| tree | 9b016a0799eb891a3f761c63b7ab3349f9dfb5a3 /kernel/reduction.mli | |
| parent | 238309bfddfa68f7a4982afa6a005a8110b0ffb1 (diff) | |
"Improved" the form of the inferred type of "match" by
betaiota-reducing it automatically (this allows for instance to
directly obtain the expected type for "match" expressions that have a
"in I x return match x with ... end" automatically inferred return
predicate feature (see e.g. Vhead and Vtail in Bvector.v).
The need for this "optimization" was not noticed in V8.2 because in
Bvector.v, betaiota was applied peremptorily at the end of sections.
The need for it has been revealed by the removal of reduction at section
closing when Arnaud introduced the new proof engine (should in
particular make CoLoR compile).
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13068 85f007b7-540e-0410-9357-904b9bb8a0f7
Diffstat (limited to 'kernel/reduction.mli')
| -rw-r--r-- | kernel/reduction.mli | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/reduction.mli b/kernel/reduction.mli index a6ebda491..ced0fd341 100644 --- a/kernel/reduction.mli +++ b/kernel/reduction.mli @@ -17,6 +17,7 @@ val whd_betaiotazeta : constr -> constr val whd_betadeltaiota : env -> constr -> constr val whd_betadeltaiota_nolet : env -> constr -> constr +val whd_betaiota : constr -> constr val nf_betaiota : constr -> constr (*********************************************************************** |