Add constant accessors to C++ unions (#4433)

* Add constant accessors to C++ unions

* Remove redundant const pointer return type

* Update generate_code.bat to reflect generate_code.sh

* Add updated generated files

* Remove extra space from generated code

* Update generated files

* Change directory back to tests after generating code

1 files changed, 4 insertions, 0 deletions

diff --git a/samples/monster_generated.h b/samples/monster_generated.h
index 2f3141bb..523a136b 100644
--- a/samples/monster_generated.h
+++ b/samples/monster_generated.h
@@ -121,6 +121,10 @@ struct EquipmentUnion {
     return type == Equipment_Weapon ?
       reinterpret_cast<WeaponT *>(value) : nullptr;
   }
+  const WeaponT *AsWeapon() const {
+    return type == Equipment_Weapon ?
+      reinterpret_cast<const WeaponT *>(value) : nullptr;
+  }
 };
 
 bool VerifyEquipment(flatbuffers::Verifier &verifier, const void *obj, Equipment type);