Send Message BASIC Active Function module

Send a message to a auto-registered non-type-safe active message handler. This should be used rarely.

Send message using basic function handler. These handlers are NOT type-safe and require the user to cast their message to the correct type as shown. Most likely this will be deprecated unless there is a use for this, since type safety does not cost anything in terms of overhead (either at runtime or compile-time).

struct MyMsg : vt::Message {
  explicit MyMsg(int in_a) : a_(in_a) { }
  int a_;
};

void basicHandler(vt::BaseMessage* msg_in) {
  MyMsg* msg = static_cast<MyMsg*>(msg_in);
  ...
}

void sendCode() {
  // myHandler is automatically registered with the overload
  theMsg()->sendMsg<basicHandler, MyMsg>(1, msg);
}