func String()

in wrap.go [163:181]

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

func String(step Steper) string {
	if step == nil {
		return "<nil>"
	}
	switch u := step.(type) {
	case interface{ String() string }:
		return u.String()
	case interface{ Unwrap() Steper }:
		return fmt.Sprintf("%T(%p) {\n\t%s\n}", u, u, indent(String(u.Unwrap())))
	case interface{ Unwrap() []Steper }:
		stepStrs := []string{}
		for _, step := range u.Unwrap() {
			stepStrs = append(stepStrs, String(step))
		}
		return fmt.Sprintf("%T(%p) {\n\t%s\n}", u, u, indent(strings.Join(stepStrs, "\n")))
	default:
		return fmt.Sprintf("%T(%p)", step, step)
	}
}