Reason_single_parserval initial :
(Lexing.position -> 'a Reason_parser.MenhirInterpreter.checkpoint) ->
Lexing.position ->
'a parserval step : 'a parser -> Reason_parser.token Reason_lexer.positioned -> 'a stepval recover :
'a Reason_parser.MenhirInterpreter.checkpoint ->
Reason_lexer.invalid_docstrings ->
'a parserval recovery_env :
'a parser ->
'a Reason_parser.MenhirInterpreter.env * Reason_lexer.invalid_docstrings