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-rw-r--r--checker/univ.mli8
1 files changed, 8 insertions, 0 deletions
diff --git a/checker/univ.mli b/checker/univ.mli
index 89dd64486..a4a3a9cb1 100644
--- a/checker/univ.mli
+++ b/checker/univ.mli
@@ -188,7 +188,15 @@ sig
end
+module ContextSet :
+ sig
+ type t
+ val empty : t
+ val constraints : t -> constraints
+ end
+
type universe_context = UContext.t
+type universe_context_set = ContextSet.t
val empty_level_subst : universe_level_subst
val is_empty_level_subst : universe_level_subst -> bool