Method append

cmp/internal/diff/diff.go:377–388

(t EditType)

}

func (p *path) append(t EditType) {
	p.es = append(p.es, t)
	switch t {
	case Identity, Modified:
		p.add(p.dir, p.dir)
	case UniqueX:
		p.add(p.dir, 0)
	case UniqueY:
		p.add(0, p.dir)
	}
	debug.Update()
}

type point struct{ X, Y int }