`sig type ('a, 'b) t = ('a, 'b) BatPervasives.result = Ok of 'a | Bad of 'b val catch : ('a -> 'b) -> 'a -> ('b, exn) BatResult.t val catch2 : ('a -> 'b -> 'c) -> 'a -> 'b -> ('c, exn) BatResult.t val catch3 : ('a -> 'b -> 'c -> 'd) -> 'a -> 'b -> 'c -> ('d, exn) BatResult.t val get : ('a, exn) BatResult.t -> 'a val default : 'a -> ('a, 'b) BatResult.t -> 'a val map_default : 'b -> ('a -> 'b) -> ('a, 'c) BatResult.t -> 'b val is_ok : ('a, 'b) BatResult.t -> bool val is_bad : ('a, 'b) BatResult.t -> bool val is_exn : exn -> ('a, exn) BatResult.t -> bool val of_option : 'a option -> ('a, unit) BatResult.t val to_option : ('a, 'b) BatResult.t -> 'a option module Monad : sig val bind : ('a, 'b) BatResult.t -> ('a -> ('c, 'b) BatResult.t) -> ('c, 'b) BatResult.t val ( >>= ) : ('a, 'b) BatResult.t -> ('a -> ('c, 'b) BatResult.t) -> ('c, 'b) BatResult.t val return : 'a -> ('a, 'b) BatResult.t end module Infix : sig val ( >>= ) : ('a, 'b) BatResult.t -> ('a -> ('c, 'b) BatResult.t) -> ('c, 'b) BatResult.t end val print : ('b BatInnerIO.output -> 'a -> unit) -> 'b BatInnerIO.output -> ('a, exn) BatResult.t -> unit end`