1 files changed, 2 insertions, 0 deletions
diff --git a/chunk.d b/chunk.d
index 5233a87..56b960d 100644
--- a/chunk.d
+++ b/chunk.d
@@ -33,9 +33,11 @@ class Function : Obj {
 
 enum OpCode {
     OP_ADD,
+    OP_NEGATE,
     OP_RETURN,
     OP_CONSTANT,
     OP_POP,
+    OP_NIL,
 }
 
 class Chunk {