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| author |  Amin Timany <amintimany@gmail.com> | 2017-04-01 17:35:39 +0200 |
|---|---|---|
| committer |  Emilio Jesus Gallego Arias <e+git@x80.org> | 2017-06-16 04:45:19 +0200 |
| commit | fd1f420aef96822bed2ce14214c34e41ceda9b4e (patch) | |
| tree | 50a0e42a1a5a9ab9edc05f6c4a14a2f55df0cbf7 /kernel/univ.ml | |
| parent | 4dd4f186895d16510f217778bb83933be8956082 (diff) | |
Using UInfoInd for universes in inductive types
It stores both universe constraints and subtyping information for
blocks of inductive declarations.
At this stage the there is no inference or checking implemented. The
subtyping information simply encodes equality of levels for the condition of
subtyping.
Diffstat (limited to 'kernel/univ.ml')
| -rw-r--r-- | kernel/univ.ml | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/kernel/univ.ml b/kernel/univ.ml index e8b9ae33a..f124bb39e 100644 --- a/kernel/univ.ml +++ b/kernel/univ.ml @@ -1053,14 +1053,14 @@ struct let len = Array.length (Instance.to_array ctx) in let halflen = len / 2 in (Instance.of_array (Array.sub (Instance.to_array ctx) 0 halflen), - Instance.of_array (Array.sub (Instance.to_array ctx) halflen len)) + Instance.of_array (Array.sub (Instance.to_array ctx) halflen halflen)) let pr prl (univcst, subtypcst) = if UContext.is_empty univcst then mt() else let (ctx, ctx') = halve_context (UContext.instance subtypcst) in - (UContext.pr prl univcst) ++ - h 0 (str "~@{" ++ Instance.pr prl ctx ++ str "} <= ~@{" ++ Instance.pr prl ctx' ++ str "}") - ++ h 0 (v 0 (Constraint.pr prl (UContext.constraints subtypcst))) + (UContext.pr prl univcst) ++ fnl () ++ fnl () ++ + h 0 (str "~@{" ++ Instance.pr prl ctx ++ str "} <= ~@{" ++ Instance.pr prl ctx' ++ str "} iff ") + ++ fnl () ++ h 0 (v 0 (Constraint.pr prl (UContext.constraints subtypcst))) let hcons (univcst, subtypcst) = (UContext.hcons univcst, UContext.hcons subtypcst) |