1 files changed, 2 insertions, 0 deletions
diff --git a/lib/drl/sublanguage.ml b/lib/drl/sublanguage.ml
index ce69b56..3496f9c 100644
--- a/lib/drl/sublanguage.ml
+++ b/lib/drl/sublanguage.ml
@@ -1,11 +1,13 @@
 module Make (Storage : Management.Physical.S) = struct
   module Exec = Executor.Make (Storage)
 
+  type configuration = unit
   type storage = Storage.t
   type ast = Ast.query
   type error = Exec.error
 
   let name = "drl"
+  let parse _ = Ok ()
 
   let parse_sexp sexp =
     match Parser.of_sexp sexp with