mirror of https://github.com/status-im/op-geth.git
43 lines
851 B
Go
43 lines
851 B
Go
|
package event
|
||
|
|
|
||
|
|
import "fmt"
|
||
|
|
|
||
|
|
func ExampleTypeMux() {
|
||
|
|
type someEvent struct{ I int }
|
||
|
|
type otherEvent struct{ S string }
|
||
|
|
type yetAnotherEvent struct{ X, Y int }
|
||
|
|
|
||
|
|
var mux TypeMux
|
||
|
|
|
||
|
|
// Start a subscriber.
|
||
|
|
done := make(chan struct{})
|
||
|
|
sub := mux.Subscribe(someEvent{}, otherEvent{})
|
||
|
|
go func() {
|
||
|
|
for event := range sub.Chan() {
|
||
|
|
fmt.Printf("Received: %#v\n", event)
|
||
|
|
}
|
||
|
|
fmt.Println("done")
|
||
|
|
close(done)
|
||
|
|
}()
|
||
|
|
|
||
|
|
// Post some events.
|
||
|
|
mux.Post(someEvent{5})
|
||
|
|
mux.Post(yetAnotherEvent{X: 3, Y: 4})
|
||
|
|
mux.Post(someEvent{6})
|
||
|
|
mux.Post(otherEvent{"whoa"})
|
||
|
|
|
||
|
|
// Stop closes all subscription channels.
|
||
|
|
// The subscriber goroutine will print "done"
|
||
|
|
// and exit.
|
||
|
|
mux.Stop()
|
||
|
|
|
||
|
|
// Wait for subscriber to return.
|
||
|
|
<-done
|
||
|
|
|
||
|
|
// Output:
|
||
|
|
// Received: event.someEvent{I:5}
|
||
|
|
// Received: event.someEvent{I:6}
|
||
|
|
// Received: event.otherEvent{S:"whoa"}
|
||
|
|
// done
|
||
|
|
}
|