From 22cc653ceff98ea69d0975ee0ccdcecc4ba96058 Mon Sep 17 00:00:00 2001
From: msozeau
Date: Fri, 28 Mar 2008 20:40:35 +0000
Subject: Improve error handling and messages for typeclasses. Add definitions
 of relational algebra in Classes/RelationClasses including equivalence,
 inclusion, conjunction and disjunction. Add PartialOrder class and show that
 we have a partial order on relations. Change SubRelation to subrelation for
 consistency with the standard library. The caracterization of PartialOrder is
 a bit original: we require an equivalence and a preorder so that the
 equivalence relation is equivalent to the conjunction of the order relation
 and its inverse. We can derive antisymmetry and appropriate morphism
 instances from this. Also add a fully general heterogeneous definition of
 respectful from which we can build the non-dependent respectful combinator.

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10728 85f007b7-540e-0410-9357-904b9bb8a0f7
---
 toplevel/himsg.ml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'toplevel')

diff --git a/toplevel/himsg.ml b/toplevel/himsg.ml
index 4adfaf6aa0..b9f1877847 100644
--- a/toplevel/himsg.ml
+++ b/toplevel/himsg.ml
@@ -488,9 +488,9 @@ let explain_no_instance env (_,id) l =
   str "applied to arguments" ++ spc () ++ 
     prlist_with_sep pr_spc (pr_lconstr_env env) l
 
-let explain_unsatisfiable_constraints env evm =
+let explain_unsatisfiable_constraints env evd =
   str"Unable to satisfy the following typeclass constraints:" ++ fnl() ++
-    Evd.pr_evar_map evm
+    Evd.pr_evar_map (Evd.evars_of (Evd.undefined_evars evd))
 
 let explain_mismatched_contexts env c i j = 
   str"Mismatched contexts while declaring instance: " ++ brk (1,1) ++
-- 
cgit v1.2.3