25 lines
445 B
Go
25 lines
445 B
Go
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// +build !go1.6
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package sdkrand
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import "math/rand"
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// Read backfills Go 1.6's math.Rand.Reader for Go 1.5
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func Read(r *rand.Rand, p []byte) (n int, err error) {
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// Copy of Go standard libraries math package's read function not added to
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// standard library until Go 1.6.
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var pos int8
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var val int64
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for n = 0; n < len(p); n++ {
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if pos == 0 {
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val = r.Int63()
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pos = 7
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}
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p[n] = byte(val)
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val >>= 8
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pos--
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}
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return n, err
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}
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