sig
type text
class input_line :
Main.Type.UChar.t #Main.Type.OOChannel.obj_input_channel ->
[Main.Type.ULine.Type.text] OOChannel.obj_input_channel
class output_line :
?sp:Main.Type.ULine.separator ->
Main.Type.UChar.t #Main.Type.OOChannel.obj_output_channel ->
[Main.Type.ULine.Type.text] OOChannel.obj_output_channel
end