Batteries user guide : BatParserCo.Infix

`sig
val ( <|> ) :
('a, 'b, 'c) BatParserCo.t ->
('a, 'b, 'c) BatParserCo.t -> ('a, 'b, 'c) BatParserCo.t
val ( ~? ) :
('a, 'b, 'c) BatParserCo.t -> ('a, 'b option, 'c) BatParserCo.t
val ( >>= ) :
('a, 'b, 'c) BatParserCo.t ->
('b -> ('a, 'd, 'c) BatParserCo.t) -> ('a, 'd, 'c) BatParserCo.t
val ( >>> ) :
('a, 'b, 'c) BatParserCo.t ->
('a, 'd, 'c) BatParserCo.t -> ('a, 'd, 'c) BatParserCo.t
val ( >:: ) :
('a, 'b, 'c) BatParserCo.t ->
('a, 'b list, 'c) BatParserCo.t -> ('a, 'b list, 'c) BatParserCo.t
val ( ~* ) : ('a, 'b, 'c) BatParserCo.t -> ('a, 'b list, 'c) BatParserCo.t
val ( ~+ ) : ('a, 'b, 'c) BatParserCo.t -> ('a, 'b list, 'c) BatParserCo.t
val ( ^^ ) :
('a, 'b, 'c) BatParserCo.t -> int -> ('a, 'b list, 'c) BatParserCo.t
end`