Representation always exists

src/annotated.rs

@@ -8,7 +8,7 @@ where
 {
     inner: P,
     name: Option<String>,
-    repr: Option<Representation>,
+    repr: Representation,
     phantom: PhantomData<(I, O, E)>,
 }
 
@@ -24,7 +24,7 @@ where
         self.name.clone()
     }
 
-    fn representation(&self) -> Option<Representation> {
+    fn representation(&self) -> Representation {
         self.repr.clone()
     }
 }
@@ -37,7 +37,7 @@ where
         Self {
             inner,
             name: None,
-            repr: None,
+            repr: Representation::new(),
             phantom: PhantomData,
         }
     }
@@ -50,9 +50,6 @@ where
     }
 
     pub fn with_repr(self, repr: Representation) -> Self {
-        Self {
+        Self { repr, ..self }
-            repr: Some(repr),
-            ..self
-        }
     }
 }

src/parser.rs

@@ -7,8 +7,8 @@ pub trait Parser<I, O, E> {
     fn name(&self) -> Option<String> {
         None
     }
-    fn representation(&self) -> Option<Representation> {
+    fn representation(&self) -> Representation {
-        None
+        Representation::new()
     }
 }
 

src/primitives.rs

@@ -72,7 +72,7 @@ mod tests {
         let parser = literal_char('f');
         assert_eq!(Ok(('f', "unky")), parser.parse("funky"));
 
-        let repr = parser.representation().unwrap();
+        let repr = parser.representation();
         assert!(matches!(repr.production(), EBNF::CharTerminal('f')));
     }
 }