func()

in mito.go [460:475]

• 16 lines of code
• 6 McCabe index (conditional complexity)

func (r rot13) Read(p []byte) (int, error) {
	n, err := r.r.Read(p)
	for i, b := range p[:n] {
		var base byte
		switch {
		case 'A' <= b && b <= 'Z':
			base = 'A'
		case 'a' <= b && b <= 'z':
			base = 'a'
		default:
			continue
		}
		p[i] = ((b - base + 13) % 26) + base
	}
	return n, err
}