executor.go (613B)
1 package concurrent 2 3 import "context" 4 5 // Executor replace go keyword to start a new goroutine 6 // the goroutine should cancel itself if the context passed in has been cancelled 7 // the goroutine started by the executor, is owned by the executor 8 // we can cancel all executors owned by the executor just by stop the executor itself 9 // however Executor interface does not Stop method, the one starting and owning executor 10 // should use the concrete type of executor, instead of this interface. 11 type Executor interface { 12 // Go starts a new goroutine controlled by the context 13 Go(handler func(ctx context.Context)) 14 }