mirror of
https://github.com/v2fly/v2ray-core.git
synced 2024-12-22 01:57:12 -05:00
21 lines
388 B
Go
21 lines
388 B
Go
// Package dice contains common functions to generate random number.
|
|
// It also initialize math/rand with the time in seconds at launch time.
|
|
package dice
|
|
|
|
import (
|
|
"math/rand"
|
|
"time"
|
|
)
|
|
|
|
// Roll returns a non-negative number between 0 (inclusive) and n (exclusive).
|
|
func Roll(n int) int {
|
|
if n == 1 {
|
|
return 0
|
|
}
|
|
return rand.Intn(n)
|
|
}
|
|
|
|
func init() {
|
|
rand.Seed(time.Now().Unix())
|
|
}
|