package example

import "reflect"

func describe(v interface{}) string {
	t := reflect.TypeOf(v)
	return t.String()
}

func cast(v any) string {
	s, ok := v.(string)
	if ok {
		return s
	}
	return ""
}

type Printer interface {
	Print(msg string)
}

func printAll(items []interface{}) {
	for _, item := range items {
		_ = item
	}
}