console

type Color int

type Column struct {
	Index int
	Name  string
	Width int
}

type Displayable interface {
	Columns() []string
	Values() map[string]interface{}
}

type Progress struct {
	Message string
	Done    chan string
	Sync    chan struct{}
}

type Table struct {
	Columns []*Column
	Rows    [][]string
}

type Writer interface {
	io.Writer

	Color(color Color) Writer
	Bold() Writer
	Reset() Writer

	Printf(format string, a ...interface{}) Writer
	Print(a ...interface{}) Writer
	Println(a ...interface{}) Writer

	Errorf(format string, a ...interface{}) Writer
}