diff options
Diffstat (limited to 'pretyping/unification.ml')
| -rw-r--r-- | pretyping/unification.ml | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/pretyping/unification.ml b/pretyping/unification.ml index 1caa629ff..62bee5a36 100644 --- a/pretyping/unification.ml +++ b/pretyping/unification.ml @@ -561,16 +561,16 @@ let is_rigid_head sigma flags t = | Proj (_, _) -> false (* Why aren't Prod, Sort rigid heads ? *) let force_eqs c = - let open Universes in - Constraints.fold + let open UnivProblem in + Set.fold (fun c acc -> let c' = match c with (* Should we be forcing weak constraints? *) | ULub (l, r) | UWeak (l, r) -> UEq (Univ.Universe.make l,Univ.Universe.make r) | ULe _ | UEq _ -> c in - Constraints.add c' acc) - c Constraints.empty + Set.add c' acc) + c Set.empty let constr_cmp pb env sigma flags t u = let cstrs = @@ -1504,8 +1504,7 @@ let indirectly_dependent sigma c d decls = let finish_evar_resolution ?(flags=Pretyping.all_and_fail_flags) env current_sigma (pending,c) = let sigma = Pretyping.solve_remaining_evars flags env current_sigma pending in - let sigma, subst = nf_univ_variables sigma in - (sigma, EConstr.of_constr (Universes.subst_univs_constr subst (EConstr.Unsafe.to_constr (nf_evar sigma c)))) + (sigma, nf_evar sigma c) let default_matching_core_flags sigma = let ts = Names.full_transparent_state in { @@ -1593,9 +1592,8 @@ let make_pattern_test from_prefix_of_ind is_correct_type env sigma (pending,c) = (fun test -> match test.testing_state with | None -> None | Some (sigma,_,l) -> - let c = applist (nf_evar sigma (local_strong whd_meta sigma c), l) in - let univs, subst = nf_univ_variables sigma in - Some (sigma,EConstr.of_constr (Universes.subst_univs_constr subst (EConstr.Unsafe.to_constr c)))) + let c = applist (local_strong whd_meta sigma c, l) in + Some (sigma, c)) let make_eq_test env evd c = let out cstr = |