gostr

type Node interface {
	Id() string
	Depends() []string
	Attach(ch chan<- Value, param Parameters) error
	Start() // blocking, and recursively calls dependent Node.Start()
	Stop()
}

type Parameters interface{}

type Registry interface {
	Register(n Node) error
	Get(id string) (Node, error)
}

type SimpleRegistry struct {
	// contains filtered or unexported fields
}

type Value interface{}