184> bitwise_io:test_bitstring_conversion().
<<"Hello, Rosetta Code!">>: 160
<<145,151,102,205,235,16,82,223,207,47,78,152,80,67,223,147,42,1:4>>: 140
<<"Hello, Rosetta Code!">>: 160
<<"Hello, Rosetta Code!">> = <<"Hello, Rosetta Code!">> ? true
ok
185> bitwise_io:test_file_io().
<<"Hello, Rosetta Code!">>