1
0
mirror of https://github.com/v2fly/v2ray-core.git synced 2025-02-20 23:47:21 -05:00

26 lines
535 B
Go
Raw Normal View History

2016-02-03 22:49:38 +01:00
// Package dice contains common functions to generate random number.
// It also initialize math/rand with the time in seconds at launch time.
2018-04-03 22:34:59 +02:00
package dice // import "v2ray.com/core/common/dice"
2016-01-21 22:45:44 +01:00
import (
"math/rand"
2016-01-25 10:47:22 +00:00
"time"
2016-01-21 22:45:44 +01:00
)
2016-02-03 22:49:38 +01:00
// Roll returns a non-negative number between 0 (inclusive) and n (exclusive).
2016-01-21 22:45:44 +01:00
func Roll(n int) int {
if n == 1 {
return 0
}
return rand.Intn(n)
}
2016-01-25 10:47:22 +00:00
2017-04-27 11:54:15 +02:00
// RollUint16 returns a random uint16 value.
func RollUint16() uint16 {
2017-02-14 22:29:44 +01:00
return uint16(rand.Intn(65536))
}
2016-01-25 10:47:22 +00:00
func init() {
rand.Seed(time.Now().Unix())
}