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| author |  Pierre-Marie Pédrot <pierre-marie.pedrot@inria.fr> | 2017-12-13 13:57:10 +0100 |
|---|---|---|
| committer | Pierre-Marie Pédrot <pierre-marie.pedrot@inria.fr> | 2017-12-30 19:19:03 +0100 |
| commit | 441bea723c511ed9e18ef005678bd01242b45c49 (patch) | |
| tree | bbe502a899b3b1fa16cb91a7372a2bf2c601ec83 /kernel/mod_typing.ml | |
| parent | 6e49d0bee79cd68495955deb115b495fb01f01fd (diff) | |
Returning instance instead of substitution in universe context abstraction.
This datatype enforces stronger invariants, e.g. that we only have in the
substitution codomain a connex interval of variables from 0 to n - 1.
Diffstat (limited to 'kernel/mod_typing.ml')
| -rw-r--r-- | kernel/mod_typing.ml | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/mod_typing.ml b/kernel/mod_typing.ml index f7e755f00..b7eb481ee 100644 --- a/kernel/mod_typing.ml +++ b/kernel/mod_typing.ml @@ -94,8 +94,8 @@ let rec check_with_def env struc (idl,(c,ctx)) mp equiv = let ctx = Univ.ContextSet.of_context ctx in c', Monomorphic_const ctx, Univ.ContextSet.add_constraints cst ctx | Polymorphic_const uctx -> - let subst, ctx = Univ.abstract_universes ctx in - let c = Vars.subst_univs_level_constr subst c in + let inst, ctx = Univ.abstract_universes ctx in + let c = Vars.subst_univs_level_constr (Univ.make_instance_subst inst) c in let () = if not (UGraph.check_subtype (Environ.universes env) uctx ctx) then error_incorrect_with_constraint lab |