random string generator golang

random_string.go

pacakge main

import (
	"math/rand"
	"unicode"
)


func randomString(n int) string {
	res := make([]rune, n)
	letters := unicode.Letter.R16[0]
	for i := range res {
		res[i] = rune(uint16(rand.Uint32()%uint32(letters.Hi-letters.Lo)) + letters.Lo)
	}
	return string(res)
}