Accede al buffer directo, es mas facil

[eldipa]

https://github.com/mati1297/tp3_taller1/blob/02f1d76d47703c8b2a0c49a804182b66072cf47c/common_packet.cpp#L39-L45

out = *(uint16_t*) (array.data() + read_);
read_ += 2;