val wrap : (Stdlib.Lexing.lexbuf -> 'token) -> (Stdlib.Lexing.position * Stdlib.Lexing.position) buffer * (Stdlib.Lexing.lexbuf -> 'token)val show : ('a -> string) -> 'a buffer -> stringval last : 'a buffer -> 'aMenhirLib.ErrorReportsval wrap : (Stdlib.Lexing.lexbuf -> 'token) -> (Stdlib.Lexing.position * Stdlib.Lexing.position) buffer * (Stdlib.Lexing.lexbuf -> 'token)val show : ('a -> string) -> 'a buffer -> stringval last : 'a buffer -> 'a