diff --git a/src/sequence/mod.rs b/src/sequence/mod.rs
index 08bebad..a982a51 100644
--- a/src/sequence/mod.rs
+++ b/src/sequence/mod.rs
@@ -1,4 +1,4 @@
-use crate::parser::{ParseResult, Parser, ParserInput};
+use crate::parser::{ParseResult, Parser, ParserInput, Representation};
 
 pub fn tuple2<P1, P2, I, O1, O2, E>(parser1: P1, parser2: P2) -> impl Parser<I, (O1, O2), E>
 where
@@ -14,7 +14,9 @@ where
     I: ParserInput,
     T: Sequence<I, O, E>,
 {
-    move |input| sequence.parse(input)
+    let rep = sequence.representation();
+    let p = move |input| sequence.parse(input);
+    (p, rep)
 }
 
 /* TODO - eventually rewrite this parser combinator in Schala. Seeing what this
@@ -24,6 +26,9 @@ where
 
 pub trait Sequence<I, O, E> {
     fn parse(&self, input: I) -> ParseResult<I, O, E>;
+    fn representation(&self) -> Representation {
+        Representation::new("SEQ NOT DONE YET")
+    }
 }
 
 impl<I, O1, O2, E, P1, P2> Sequence<I, (O1, O2), E> for (P1, P2)
diff --git a/tests/json_parser.rs b/tests/json_parser.rs
index f57daa7..d7b4971 100644
--- a/tests/json_parser.rs
+++ b/tests/json_parser.rs
@@ -244,4 +244,5 @@ fn test_representations() {
         json_bool().representation(),
         Representation::new("true | false")
     );
+    assert_eq!(json_number().representation(), Representation::new("null"));
 }