Function init

example/spread.cc:60–64

DEFINE_validator(sum_items_num,  [] (const char*, uint64_t value) { return value <= 5; });

void init(int argc, char** argv) {
  gflags::ParseCommandLineFlags(&argc, &argv, true);
  google::InitGoogleLogging(argv[0]);
  google::LogToStderr();
}

using edge_t = plato::empty_t;
std::unique_ptr<plato::thread_local_buffer> g_adjs_buffer_p_;