Method left

internal/buffer/loc.go:100–111

This moves the given location one character to the left

(buf *LineArray)

// This moves the given location one character to the left
func (l Loc) left(buf *LineArray) Loc {
	if l == buf.Start() {
		return Loc{l.X - 1, l.Y}
	}
	var res Loc
	if l.X > 0 {
		res = Loc{l.X - 1, l.Y}
	} else {
		res = Loc{util.CharacterCount(buf.LineBytes(l.Y - 1)), l.Y - 1}
	}
	return res
}

// MoveLA moves the cursor n characters to the left or right
// It moves the cursor left if n is negative