console

type Artisan interface {
	//Register commands.
	Register(commands []Command)

	//Call Run an Artisan console command by name.
	Call(command string)

	//CallAndExit Run an Artisan console command by name and exit.
	CallAndExit(command string)

	//Run a command. args include: ["./main", "artisan", "command"]
	Run(args []string, exitIfArtisan bool)
}

type Command interface {
	//Signature The name and signature of the console command.
	Signature() string
	//Description The console command description.
	Description() string
	//Extend The console command extend.
	Extend() command.Extend
	//Handle Execute the console command.
	Handle(ctx Context) error
}

type Context interface {
	Argument(index int) string
	Arguments() []string
	Option(key string) string
}