refactor: scaladocs-style commenting added in parser

src/main/wacc/parser.scala

@@ -47,7 +47,8 @@ object parser {
   enum LabelType:
     case Expr
     case Pair
-
+    
+  // Lexer-backed errorBuilder
   implicit val builder: ErrorBuilder[String] = new DefaultErrorBuilder with LexToken {
     def tokens = errTokens
   }
@@ -151,8 +152,7 @@ object parser {
       )
       | While("while" ~> `<expr>`.labelWithType(LabelType.Expr) <~ "do", `<stmt>` <~ "done")
       | Block("begin" ~> `<stmt>` <~ "end")
-      | VarDecl(`<type>`, `<ident>` <~ "=", `<rvalue>`.label("valid initial value for variable"))
-      // TODO: Can we inline the name of the variable in the message
+      | VarDecl(`<type>`, `<ident>` <~ "=", `<rvalue>`)
       | Assign(`<lvalue>` <~ "=", `<rvalue>`)
   private lazy val `<lvalue>`: Parsley[LValue] =
     `<pair-elem>` | `<ident-or-array-elem>`