result:
[(module.header [(module.prelude "prelude")] []) (eoi "")]
result:
[(module.header [] [(module.import "import" [(module.import_path [] `me)])])
 (eoi "")]
error at line 1, column 0:
expected command
partial syntax tree:
[(module.header [] []) (eoi "")]
error at line 1, column 6:
unexpected end of file
expected identifier
partial syntax tree:
[(module.header
  []
  [(module.import "import" [(module.import_path [] <missing>) <missing>])
   <missing>])
 (eoi "")]
result:
[(module.header
  [(module.prelude "prelude")]
  [(module.import
    "import"
    [(module.import_path ["." "."] `a) (module.import_path [] `b)])
   (module.import "import" [(module.import_path [] `c)])])
 (eoi "")]
result:
[(module.header [] [])
 (command.open
  "open"
  [(command.open_spec `me [] [] [] []) (command.open_spec `you [] [] [] [])])
 (eoi "")]
result:
[(module.header [] [])
 (command.open
  "open"
  [(command.open_spec
    `me
    [(command.open_spec.as "as" `you)]
    [(command.open_spec.only ["(" `a] [`b `c] ")")]
    [(command.open_spec.renaming
      ["(" "renaming"]
      [(command.open_spec.renaming.item `a "->" `b)
       (command.open_spec.renaming.item `c "->" `d)]
      ")")]
    [(command.open_spec.hiding "(" "hiding" [`a `b] ")")])])
 (eoi "")]
error at line 1, column 11:
expected command
partial syntax tree:
[(module.header [] [])
 (command.open
  "open"
  [(command.open_spec `me [] [] [] []) (command.open_spec `you [] [] [] [])])
 (eoi "")]
error at line 1, column 5:
expected identifier
error at line 1, column 9:
unexpected end of file
expected identifier
partial syntax tree:
[(module.header [] [])
 (command.open
  "open"
  [(command.open_spec <missing> <missing> <missing> <missing> <missing>)
   <missing>])
 (command.open
  "open"
  [(command.open_spec <missing> <missing> <missing> <missing> <missing>)
   <missing>])
 (eoi "")]
error at line 1, column 8:
expected command
partial syntax tree:
[(module.header [] [])
 (command.open "open" [(command.open_spec `me [] [] [] [])])
 (command.open "open" [(command.open_spec `you [] [] [] [])])
 (eoi "")]
result:
[(module.header [] [])
 (command.open "open" [(command.open_spec `a [] [] [] [])])
 (command.section
  "section"
  [`b]
  [(command.open "open" [(command.open_spec `c [] [] [] [])])
   (command.section
    "section"
    [`d]
    [(command.open "open" [(command.open_spec `e [] [] [] [])])]
    "end"
    [`d])]
  "end"
  [`b])
 (eoi "")]
result:
[(module.header [] []) (command.section "section" [`a] [] "end" []) (eoi "")]
Type (max u v) : Type ((max u v)+1)
result:
[(module.header [] [])
 (command.check
  "#check"
  (term.app
   (term.app
    (term.sort_app (term.sort (1 "Type")) (level.leading (0 `max)))
    (term.ident `u []))
   (term.ident `v [])))
 (eoi "")]
(ok "notationa`+`:65 b:65 :=nat.addab")
parser1.lean:90:0: error: register_notation: unreachable
error at line 221, column 6:
unexpected '='