client

type Device interface {
	// Common contains the common methods for client and server
	device.Common

	// Feature returns the feature with client functions (OnSet(), Update()) available.
	// Fetching a feature that doesn't exist will _NOT_ return nil, but instead create
	// a *feature.Fake. To check if feature actually exists; call Feature("name").Exists()
	Feature(name string) Feature

	// Features returns a slice of all available features
	Features() []Feature
}

type Feature interface {
	Name() string
	Min() int
	Max() int
	Step() int
	Exists() bool
	Update(string) error
	OnSet() (chan string, error)
	OnSetFunc(func(string)) error
}