Mirage_block_iter (mirage-block-combinators.Mirage_block

module B = Mirage_block

val (>>*=) : 
  ( 'a, 'b ) Stdlib.result Lwt.t ->
  ( 'c -> ( 'd, 'e ) Stdlib.result Lwt.t ) ->
  ( 'd, 'e ) Stdlib.result Lwt.t

module Fold (Block : B.S) : sig ... end

module Fast_fold (Seekable : Mirage_block_combinators_s.SEEKABLE) : sig ... end