creating center padded box on terminal output

padder.go

func padCenter(s string, w int) string {
	if len(s) >= w {
		return s[:w]
	}
	left := (w - len(s)) / 2
	right := w - len(s) - left
	return strings.Repeat(" ", left) + s + strings.Repeat(" ", right)
}

func box(left string, leftn int, right string, rightn int) string {
	return "|" + padCenter(left, leftn) + "|" + padCenter(right, rightn) + "|"
}

func box1(all string) string { // 32 bits
	return "|" + padCenter(all, 63) + "|"
}

func box2(left, right string) string { // 16 bits | 16 bits
	return box(left, 31, right, 31)
}