mirror of https://github.com/v2ray/v2ray-core
				
				
				
			
		
			
				
	
	
		
			26 lines
		
	
	
		
			535 B
		
	
	
	
		
			Go
		
	
	
			
		
		
	
	
			26 lines
		
	
	
		
			535 B
		
	
	
	
		
			Go
		
	
	
| // 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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| 
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| import (
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| 	"math/rand"
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| 	"time"
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| )
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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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| 
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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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| 
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| func init() {
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| 	rand.Seed(time.Now().Unix())
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| }
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