diff --git a/src/main/wacc/parser.scala b/src/main/wacc/parser.scala
index c174845..5b8b06c 100644
--- a/src/main/wacc/parser.scala
+++ b/src/main/wacc/parser.scala
@@ -73,11 +73,15 @@ object parser {
   )
   private lazy val `<pair-elem-type>` =
     (`<base-type>` <**> (`<array-type>` </> identity)) |
-      `<pair-type>` ~> ((`<pair-elems-type>` <**> `<array-type>`.explain("for a pair to contain a pair type, it must be an array or erased pair")) </> UntypedPairType)
+      `<pair-type>` ~> ((`<pair-elems-type>` <**> `<array-type>`.explain(
+        "for a pair to contain a pair type, it must be an array or erased pair"
+      )) </> UntypedPairType)
   // TODO: better explanation here?
   // Statements
   private lazy val `<program>` = Program(
-    "begin" ~> many(atomic(`<type>`.label("function declaration") <~> `<ident>` <~ "(") <**> `<partial-func-decl>`).label("function declaration"),
+    "begin" ~> many(
+      atomic(`<type>`.label("function declaration") <~> `<ident>` <~ "(") <**> `<partial-func-decl>`
+    ).label("function declaration"),
     `<stmt>`.label("main program body") <~ "end"
   )
   private lazy val `<partial-func-decl>` =
@@ -125,8 +129,8 @@ object parser {
         sepBy(`<expr>`, ",") <~ ")"
       ) | `<expr>`.label("valid expression")
   private lazy val `<pair-elem>` =
-    Fst("fst" ~> `<lvalue>`.label("a valid pair")) 
-  | Snd("snd" ~> `<lvalue>`.label("a valid pair"))
+    Fst("fst" ~> `<lvalue>`.label("a valid pair"))
+      | Snd("snd" ~> `<lvalue>`.label("a valid pair"))
   private lazy val `<array-liter>` = ArrayLiter(
     "[" ~> sepBy(`<expr>`, ",") <~ "]"
   )