Method isRegistered

env_docker.go:230–233

(name string)

func (e errorer) Future() FutureRunnable                   { return e }

func (e *DockerEnvironment) isRegistered(name string) bool {
	_, ok := e.registered[name]
	return ok
}

func (e *DockerEnvironment) register(name string) {
	e.registered[name] = struct{}{}