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-rw-r--r--kernel/subtyping.ml7
1 files changed, 3 insertions, 4 deletions
diff --git a/kernel/subtyping.ml b/kernel/subtyping.ml
index d0fdf9fda..f779f68be 100644
--- a/kernel/subtyping.ml
+++ b/kernel/subtyping.ml
@@ -110,8 +110,7 @@ let check_inductive cst env mp1 l info1 mp2 mib2 spec2 subst1 subst2 reso1 reso2
in
let u =
if poly then
- CErrors.error ("Checking of subtyping of polymorphic" ^
- " inductive types not implemented")
+ CErrors.user_err Pp.(str "Checking of subtyping of polymorphic inductive types not implemented")
else Instance.empty
in
let mib2 = Declareops.subst_mind_body subst2 mib2 in
@@ -347,7 +346,7 @@ let check_constant cst env mp1 l info1 cb2 spec2 subst1 subst2 =
let c2 = Mod_subst.force_constr lc2 in
check_conv NotConvertibleBodyField cst poly u infer_conv env' c1 c2))
| IndType ((kn,i),mind1) ->
- ignore (CErrors.error (
+ ignore (CErrors.user_err Pp.(str @@
"The kernel does not recognize yet that a parameter can be " ^
"instantiated by an inductive type. Hint: you can rename the " ^
"inductive type and give a definition to map the old name to the new " ^
@@ -364,7 +363,7 @@ let check_constant cst env mp1 l info1 cb2 spec2 subst1 subst2 =
let error = NotConvertibleTypeField (env, arity1, typ2) in
check_conv error cst false Univ.Instance.empty infer_conv_leq env arity1 typ2
| IndConstr (((kn,i),j) as cstr,mind1) ->
- ignore (CErrors.error (
+ ignore (CErrors.user_err Pp.(str @@
"The kernel does not recognize yet that a parameter can be " ^
"instantiated by a constructor. Hint: you can rename the " ^
"constructor and give a definition to map the old name to the new " ^