unit_t init_behavior_impl(message_handler& x) {
if (x)
x = x.or_else(composable_behavior_base<Clauses>::make_callback()...);
else
x.assign(composable_behavior_base<Clauses>::make_callback()...);
return unit;
}
static void invoke_impl( type_tuple< Message, Rest... >, message_handler<MH...> const& mh, DWORD id )
{
if( id == Message::id ) {
mh.invoke( Message() );
return;
}
invoke_impl( type_tuple< Rest... >(), mh, id );
}
void assign_handler(Message, F&& f)
{
mh_.assign( Message(), std::forward< F >( f ) );
}
behavior_impl_ptr extract(const message_handler& arg) {
return arg.as_behavior_impl();
}
behavior_impl_ptr combine(const message_handler& lhs, behavior_impl_ptr rhs) {
return lhs.as_behavior_impl()->or_else(rhs);
}
behavior_impl_ptr combine(behavior_impl_ptr lhs, const message_handler& rhs) {
return lhs->or_else(rhs.as_behavior_impl());
}
behavior::behavior(const message_handler& mh) : m_impl(mh.as_behavior_impl()) {
// nop
}
void observer_board::set_message_handler(message_handler& msg) {
msg_observer.emplace(msg.get_client_id(), msg);
}
