package colombe

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Source file sigs.ml

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module type FUNCTOR = sig
  type +'a t
end

type (+'a, 't) io
type ('l, 'r) either = L of 'l | R of 'r

type 't impl = {
  bind : 'a 'b. ('a, 't) io -> ('a -> ('b, 't) io) -> ('b, 't) io;
  return : 'a. 'a -> ('a, 't) io;
}

type ('flow, 's) rdwr = {
  rd : 'flow -> bytes -> int -> int -> ([ `End | `Len of int ], 's) io;
  wr : 'flow -> string -> int -> int -> (unit, 's) io;
}

module type X = sig
  type +'a s
  type t

  external inj : 'a s -> ('a, t) io = "%identity"
  external prj : ('a, t) io -> 'a s = "%identity"
end

module Common = struct
  type t

  external inj : 'a -> 'b = "%identity"
  external prj : 'a -> 'b = "%identity"
end

module Make (T : FUNCTOR) = struct
  type 'a s = 'a T.t

  include Common
end