In reply to verif_learner:
If you want to know, read section 11.4.14 Streaming operators (pack/unpack) of the 1800-2017 LRM and then ask a more specific question that you need help with.
In reply to verif_learner:
If you want to know, read section 11.4.14 Streaming operators (pack/unpack) of the 1800-2017 LRM and then ask a more specific question that you need help with.