func (ti *Entry) Level() int {
	return ti.level
}
Level returns the node depth.
package crumbs
type Entry struct {
	id        string
	level     int
	text      string
	icon      string
	parent    *Entry
	childrens []*Entry
}
func (ti *Entry) ID() string {
	return ti.id
}
func (ti *Entry) Childrens() []*Entry {
	return ti.childrens
}
func (ti *Entry) Text() string {
	return ti.text
}
func (ti *Entry) Icon() string {
	return ti.icon
}