18 lignes
529 o
Go
18 lignes
529 o
Go
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package missinggo
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import (
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"math/rand"
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"time"
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)
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// Returns random duration in the range [average-plusMinus,
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// average+plusMinus]. Negative plusMinus will likely panic. Be aware that if
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// plusMinus >= average, you may get a zero or negative Duration. The
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// distribution function is unspecified, in case I find a more appropriate one
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// in the future.
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func JitterDuration(average, plusMinus time.Duration) (ret time.Duration) {
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ret = average - plusMinus
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ret += time.Duration(rand.Int63n(2*int64(plusMinus) + 1))
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return
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}
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