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26 lines
535 B
26 lines
535 B
// Package dice contains common functions to generate random number.
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// It also initialize math/rand with the time in seconds at launch time.
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package dice // import "v2ray.com/core/common/dice"
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import (
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"math/rand"
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"time"
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)
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// Roll returns a non-negative number between 0 (inclusive) and n (exclusive).
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func Roll(n int) int {
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if n == 1 {
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return 0
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}
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return rand.Intn(n)
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}
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// RollUint16 returns a random uint16 value.
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func RollUint16() uint16 {
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return uint16(rand.Intn(65536))
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}
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func init() {
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rand.Seed(time.Now().Unix())
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}
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