==================== Parser AST ====================

(L
 { T20718b.hs:1:1 }
 (HsModule
  (XModulePs
   (EpAnn
    (Anchor
     { T20718b.hs:1:1 }
     (UnchangedAnchor))
    (AnnsModule
     [(AddEpAnn AnnModule (EpaSpan { T20718b.hs:4:1-6 }))
     ,(AddEpAnn AnnWhere (EpaSpan { T20718b.hs:4:16-20 }))]
     (AnnList
      (Nothing)
      (Nothing)
      (Nothing)
      []
      []))
    (EpaCommentsBalanced
     [(L
       (Anchor
        { T20718b.hs:1:1-19 }
        (UnchangedAnchor))
       (EpaComment
        (EpaLineComment
         "-- header comment 1")
        { T20718b.hs:1:1 }))
     ,(L
       (Anchor
        { T20718b.hs:2:1-19 }
        (UnchangedAnchor))
       (EpaComment
        (EpaLineComment
         "-- header comment 2")
        { T20718b.hs:1:1-19 }))
     ,(L
       (Anchor
        { T20718b.hs:6:1-21 }
        (UnchangedAnchor))
       (EpaComment
        (EpaLineComment
         "-- trailing comment 1")
        { T20718b.hs:4:16-20 }))
     ,(L
       (Anchor
        { T20718b.hs:7:1-21 }
        (UnchangedAnchor))
       (EpaComment
        (EpaLineComment
         "-- trailing comment 2")
        { T20718b.hs:6:1-21 }))]
     [(L
       (Anchor
        { T20718b.hs:8:1 }
        (UnchangedAnchor))
       (EpaComment
        (EpaEofComment)
        { T20718b.hs:7:1-21 }))]))
   (VirtualBraces
    (1))
   (Nothing)
   (Nothing))
  (Just
   (L
    (SrcSpanAnn (EpAnnNotUsed) { T20718b.hs:4:8-14 })
    {ModuleName: T20718b}))
  (Nothing)
  []
  []))