1 files changed, 1 insertions, 0 deletions

diff --git a/op.go b/op.go
index 70977a1..8f67ae8 100644
--- a/op.go
+++ b/op.go
@@ -39,6 +39,7 @@ type mulDivOp int
 const (
 	multiply mulDivOp = iota
 	divide
+	remainder
 )
 
 type unaryOp int