Method deleteLine

internal/buffer/line_array.go:280–282

deleteLine deletes the line number

(y int)

// deleteLine deletes the line number
func (la *LineArray) deleteLine(y int) {
	la.lines = la.lines[:y+copy(la.lines[y:], la.lines[y+1:])]
}

func (la *LineArray) deleteLines(y1, y2 int) {
	la.lines = la.lines[:y1+copy(la.lines[y1:], la.lines[y2+1:])]