// RandomStringPure generate a random string with length specified.
RandomStringPure generate a random string with length specified.
// RandomStringPure generate a random string with length specified .
func RandomStringPure(length int) (result string) {
	buf := make([]byte, length)
	if _, err := rand.Read(buf); err == nil {
		result = string(buf)
	}
	return
}
func RandomStringPure ( length int ) ( result string ) { buf := make ( [ ] byte , length ) if _ , err := rand . Read ( buf ) ; err == nil { result = string ( buf ) } return }
RandomStringPure generate a random string with length specified.
RandomStringPure generate a random string with length specified .
// source:=rand.NewSource(time.Now().UnixNano()) // b := make([]byte, length) // for i := range b { // 	b[i] = charset[source.Int63()%int64(len(charset))] // } // return string(b)