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-rw-r--r--pretyping/evd.ml3
-rw-r--r--pretyping/evd.mli1
2 files changed, 4 insertions, 0 deletions
diff --git a/pretyping/evd.ml b/pretyping/evd.ml
index a76df2dfb9..400ad2f7a8 100644
--- a/pretyping/evd.ml
+++ b/pretyping/evd.ml
@@ -300,6 +300,9 @@ let is_defined (sigma,_) = is_defined sigma
let existential_value (sigma,_) = existential_value sigma
let existential_type (sigma,_) = existential_type sigma
let existential_opt_value (sigma,_) = existential_opt_value sigma
+let eq_evar_map x y = x == y ||
+ (Evarmap.equal eq_evar_info (fst x) (fst y) &&
+ UniverseMap.equal (=) (snd x) (snd y))
let merge e e' = fold (fun n v sigma -> add sigma n v) e' e
diff --git a/pretyping/evd.mli b/pretyping/evd.mli
index 0e3212813d..6694e63dda 100644
--- a/pretyping/evd.mli
+++ b/pretyping/evd.mli
@@ -52,6 +52,7 @@ val evar_unfiltered_env : evar_info -> env
val evar_env : evar_info -> env
type evar_map
+val eq_evar_map : evar_map -> evar_map -> bool
val empty : evar_map