sig
val in_of_stream : stream:char Stream.t -> unit -> Fragments.io_in
val in_of_channel :
in_channel:Pervasives.in_channel -> unit -> Fragments.io_in
val out_of_formatter :
formatter:Format.formatter -> ?indent:bool -> unit -> Fragments.io_out
val out_of_channel :
?condensed:bool ->
out_channel:Pervasives.out_channel ->
?indent:bool -> unit -> Fragments.io_out
end