can't use std::vector<zmq::message_t>

[adadKKKX]

std::vector<zmq::message_t> vMsg;
// like this 

my vs2019(win10 ) will report error

#ifdef ZMQ_CPP11
ZMQ_DEFINE_INTEGRAL_OPT(ZMQ_TYPE, socket_type, socket_type);
#endif // ZMQ_CPP11
+ E0757 

is it normal? sir

[gummif]

You can move it push_back(std::move(message)) or do explicit copy.