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Diffstat (limited to 'kernel/uGraph.ml')
| -rw-r--r-- | kernel/uGraph.ml | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/uGraph.ml b/kernel/uGraph.ml index bc624ba56d..95d71965df 100644 --- a/kernel/uGraph.ml +++ b/kernel/uGraph.ml @@ -529,6 +529,11 @@ let add_universe vlev strict g = let add_universe_unconstrained vlev g = fst (add_universe_gen vlev g) +exception UndeclaredLevel of Univ.Level.t +let check_declared_universes g us = + let check l = if not (UMap.mem l g.entries) then raise (UndeclaredLevel l) in + Univ.LSet.iter check us + exception Found_explanation of explanation let get_explanation strict u v g = |