10 minutes 58.1 送信側 (Senders) と受信側 (Receivers) Rust channels have two parts: a Sender and a Receiver. The two parts are connected via the channel, but you only see the end-points. use std::sync::mpsc; (so you can make multiple producers) but Receiver does not. • send() and recv() return Result. If they return Err, it means the counterpart Sender or Receiver is dropped and the channel is closed. 330 an error (that is why it returns Result) if the channel is closed. A channel is closed when the receiver is dropped. • A bounded channel with a size of zero is called a ”rendezvous channel”. Every send

connect(sender, SIGNAL (valueChanged(QString,QString)), receiver, SLOT (updateValue(QString)) ); New style: connect(sender, &Sender::valueChanged, receiver, &Receiver::updateValue ); New style signals and slots