init

cmd/estimate/main.go

@@ -0,0 +1,39 @@
+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)
+
+}