class type [['input, 'output]] object_t = object method next : [ `end_of_stream | `not_ready | `output of 'output ] method feed : 'input -> unit method stop : unitend
[['input, 'output]]
object
method next : [ `end_of_stream | `not_ready | `output of 'output ]
[ `end_of_stream | `not_ready | `output of 'output ]
method feed : 'input -> unit
'input -> unit
method stop : unit
unit
end