You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
45 lines
618 B
Go
45 lines
618 B
Go
package util
|
|
|
|
import (
|
|
"math/rand"
|
|
"strconv"
|
|
"time"
|
|
"unicode"
|
|
)
|
|
|
|
const alphabet = "1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
|
|
|
|
func init() {
|
|
rand.Seed(time.Now().UnixNano())
|
|
}
|
|
|
|
func GenerateRandomString(n int) string {
|
|
b := make([]byte, n)
|
|
|
|
for i := range b {
|
|
b[i] = alphabet[rand.Intn(len(alphabet))]
|
|
}
|
|
|
|
return string(b)
|
|
}
|
|
|
|
func IsWhitespaceFree(s string) bool {
|
|
for _, r := range s {
|
|
if unicode.IsSpace(r) {
|
|
return false
|
|
}
|
|
}
|
|
|
|
return true
|
|
}
|
|
|
|
func AtoiInto(s string, into *int) error {
|
|
num, err := strconv.Atoi(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
*into = num
|
|
return nil
|
|
}
|