Function split

libcaf_net/caf/net/lp/framing.cpp:27–33

namespace {

std::pair<size_t, byte_span> split(byte_span buffer) noexcept {
  CAF_ASSERT(buffer.size() >= sizeof(uint32_t));
  auto u32_size = uint32_t{0};
  memcpy(&u32_size, buffer.data(), sizeof(uint32_t));
  auto msg_size = static_cast<size_t>(detail::from_network_order(u32_size));
  return std::make_pair(msg_size, buffer.subspan(sizeof(uint32_t)));
}

class framing_impl : public framing {
public: