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authorGravatar Adam Chlipala <adam@chlipala.net>2011-12-18 11:29:13 -0500
committerGravatar Adam Chlipala <adam@chlipala.net>2011-12-18 11:29:13 -0500
commit7711c829190f80e32de4d3b45ce39245dba07435 (patch)
treeef38476a5b0199272d5dc20a65a306b4c7b2a112 /src/elab_err.sig
parent2991862ed290eb9115d94221d4c78ed3b1e83899 (diff)
Add a new scoping check for unification variables, to fix a type inference bug
Diffstat (limited to 'src/elab_err.sig')
-rw-r--r--src/elab_err.sig2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/elab_err.sig b/src/elab_err.sig
index a66cf61f..14133d08 100644
--- a/src/elab_err.sig
+++ b/src/elab_err.sig
@@ -35,6 +35,7 @@ signature ELAB_ERR = sig
datatype kunify_error =
KOccursCheckFailed of Elab.kind * Elab.kind
| KIncompatible of Elab.kind * Elab.kind
+ | KScope of Elab.kind * Elab.kind
val kunifyError : ElabEnv.env -> kunify_error -> unit
@@ -59,6 +60,7 @@ signature ELAB_ERR = sig
| TooLifty of ErrorMsg.span * ErrorMsg.span
| TooUnify of Elab.con * Elab.con
| TooDeep
+ | CScope of Elab.con * Elab.con
val cunifyError : ElabEnv.env -> cunify_error -> unit