smx_activity_t Mailbox::front()
{
return pimpl_->comm_queue.empty() ? nullptr : pimpl_->comm_queue.front();
}
void Mailbox::setReceiver(ActorPtr actor) {
smx_activity_t Mailbox::front()
{
return pimpl_->comm_queue.empty() ? nullptr : pimpl_->comm_queue.front();
}
void Mailbox::setReceiver(ActorPtr actor) {