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-rw-r--r--pretyping/pretype_errors.ml8
1 files changed, 5 insertions, 3 deletions
diff --git a/pretyping/pretype_errors.ml b/pretyping/pretype_errors.ml
index 420e0ef9b9..f19dd1f970 100644
--- a/pretyping/pretype_errors.ml
+++ b/pretyping/pretype_errors.ml
@@ -25,7 +25,8 @@ type pretype_error =
(* Unification *)
| OccurCheck of existential_key * constr
| NotClean of existential_key * constr * Evd.hole_kind
- | UnsolvableImplicit of Evd.evar_info * Evd.hole_kind
+ | UnsolvableImplicit of Evd.evar_info * Evd.hole_kind *
+ Evd.unsolvability_explanation option
| CannotUnify of constr * constr
| CannotUnifyLocal of constr * constr * constr
| CannotUnifyBindingType of constr * constr
@@ -152,8 +153,9 @@ let error_not_clean env sigma ev c (loc,k) =
raise_with_loc loc
(PretypeError (env_ise sigma env, NotClean (ev,c,k)))
-let error_unsolvable_implicit loc env sigma evi e =
- raise_with_loc loc (PretypeError (env_ise sigma env, UnsolvableImplicit (evi, e)))
+let error_unsolvable_implicit loc env sigma evi e explain =
+ raise_with_loc loc
+ (PretypeError (env_ise sigma env, UnsolvableImplicit (evi, e, explain)))
let error_cannot_unify env sigma (m,n) =
raise (PretypeError (env_ise sigma env,CannotUnify (m,n)))