src/main/wacc/parser.scala

@@ -18,9 +18,9 @@ object parser {
   import lexer.{ident, integer, charLit, stringLit, negateCheck, errTokens}
   import ast._
 
-  //error extensions
+  // error extensions
   extension [A](p: Parsley[A]) {
-  //combines label and explain together into one function call
+    // combines label and explain together into one function call
     def labelAndExplain(label: String, explanation: String): Parsley[A] = {
       p.label(label).explain(explanation)
     }
@@ -30,7 +30,8 @@ object parser {
           labelWithType(t).explain(
             "a valid expression can start with: null, literals, identifiers, unary operators, or parentheses. " +
               "Expressions can also contain array indexing and binary operators. " +
-            "Pair extraction is not allowed in expressions, only in assignments.")
+              "Pair extraction is not allowed in expressions, only in assignments."
+          )
         case _ => labelWithType(t)
       }
     }