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-rw-r--r--src/mono.sml3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/mono.sml b/src/mono.sml
index 4742c541..b7ac6346 100644
--- a/src/mono.sml
+++ b/src/mono.sml
@@ -67,6 +67,9 @@ datatype exp' =
| EApp of exp * exp
| EAbs of string * typ * typ * exp
+ | EUnop of string * exp
+ | EBinop of string * exp * exp
+
| ERecord of (string * exp * typ) list
| EField of exp * string