work

src/parser/cursor/lit.rs

@@ -5,6 +5,7 @@ pub enum Lit {
     Number(String),
     Bool(bool),
     String(String),
+    Unit,
 }
 
 impl From<Lit> for Token {
@@ -18,8 +19,8 @@ impl std::fmt::Display for Lit {
         match self {
             Lit::Number(n) => write!(f, "{n}"),
             Lit::Bool(b) => write!(f, "{b}"),
-            Lit::String(s) => write!(f, "{s}"),
+            Lit::String(s) => write!(f, "\"{s}\""),
+            Lit::Unit => write!(f, "()"),
         }
     }
 }
-