package main import ( "fmt" "math/rand" "os" "strconv" "git.intruders.space/bot/mapsize" ) func main() { if len(os.Args) < 2 { panic("need argument") } n, err := strconv.Atoi(os.Args[1]) if err != nil { panic("bad argument") } m := make(map[string]string) ms := mapsize.New() for i := 0; i < n*1_000_000; i++ { k := strconv.FormatUint(rand.Uint64(), 10) v := "abc" m[k] = v ms.Add(len(k), len(v)) } fmt.Println("do you want an estimate? (y/y)") var c byte fmt.Scan(&c) fmt.Printf("\nestimate: %d kB\n", ms.Size()/1024) }