mixed_up_streams.m:019: In clause for predicate `main'/2:
mixed_up_streams.m:019:   in argument 1 of call to predicate `io.write_byte'/4:
mixed_up_streams.m:019:   type error: variable `BinaryInput' has type
mixed_up_streams.m:019:     io.binary_input_stream;
mixed_up_streams.m:019:   expected type was
mixed_up_streams.m:019:     io.binary_output_stream.
For more information, recompile with `-E'.