Consolidate Operand code
diff --git a/codegen/src/main.rs b/codegen/src/main.rs
index c128e06..cc48ddd 100644
--- a/codegen/src/main.rs
+++ b/codegen/src/main.rs
@@ -17,6 +17,7 @@
 mod full;
 mod gen;
 mod json;
+mod operand;
 mod parse;
 mod version;
 mod visit;