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-rw-r--r--src/elab.sml1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/elab.sml b/src/elab.sml
index 6d405af6..dcb15502 100644
--- a/src/elab.sml
+++ b/src/elab.sml
@@ -39,6 +39,7 @@ datatype kind' =
| KError
| KUnif of ErrorMsg.span * string * kind option ref
+ | KTupleUnif of ErrorMsg.span * (int * kind) list * kind option ref
| KRel of int
| KFun of string * kind