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