From f71ef93aa21cd2ed4135588db3a5a3e8b42ceb39 Mon Sep 17 00:00:00 2001
From: Pierre-Marie Pédrot
Date: Wed, 13 May 2020 14:01:00 +0200
Subject: Make explicit that UGraph lower bounds are only of two kinds.

This makes the invariants in the code clearer, and also highlight this is
only required to implement template polymorphic inductive types.
---
 kernel/environ.ml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'kernel/environ.ml')

diff --git a/kernel/environ.ml b/kernel/environ.ml
index d6d52dbc2b..182ed55d0e 100644
--- a/kernel/environ.ml
+++ b/kernel/environ.ml
@@ -67,7 +67,7 @@ end
 type stratification = {
   env_universes : UGraph.t;
   env_sprop_allowed : bool;
-  env_universes_lbound : Univ.Level.t;
+  env_universes_lbound : UGraph.Bound.t;
   env_engagement : engagement
 }
 
@@ -129,7 +129,7 @@ let empty_env = {
   env_stratification = {
     env_universes = UGraph.initial_universes;
     env_sprop_allowed = true;
-    env_universes_lbound = Univ.Level.set;
+    env_universes_lbound = UGraph.Bound.Set;
     env_engagement = PredicativeSet };
   env_typing_flags = Declareops.safe_flags Conv_oracle.empty;
   retroknowledge = Retroknowledge.empty;
-- 
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