Mirage_block_iter.Fast_fold
val mapped_s :
f:( 'a -> int64 -> Cstruct.t -> 'b Lwt.t ) ->
'c ->
Seekable.t ->
( 'd, Seekable.error ) Stdlib.result Lwt.t
val unmapped_s :
f:( 'a -> int64 -> int64 -> 'b Lwt.t ) ->
'c ->
Seekable.t ->
( 'd, Seekable.error ) Stdlib.result Lwt.t