24 lines
448 B
Go
24 lines
448 B
Go
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package uuid
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import (
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"fmt"
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"math/rand"
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"time"
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)
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// Generates a time ordered UUID. Top 32 bits are a timestamp,
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// bottom 96 are random.
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func TimeOrderedUUID() string {
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unix := uint32(time.Now().UTC().Unix())
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rand1 := rand.Uint32()
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rand2 := rand.Uint32()
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rand3 := rand.Uint32()
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return fmt.Sprintf("%08x-%04x-%04x-%04x-%04x%08x",
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unix,
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uint16(rand1>>16),
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uint16(rand1&0xffff),
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uint16(rand2>>16),
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uint16(rand2&0xffff),
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rand3)
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}
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