27 lines
477 B
Go
27 lines
477 B
Go
package uuid
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import (
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"crypto/rand"
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"fmt"
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)
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// Generate is used to generate a random UUID.
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func Generate() string {
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buf := make([]byte, 16)
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if _, err := rand.Read(buf); err != nil {
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panic(fmt.Errorf("failed to read random bytes: %v", err))
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}
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return fmt.Sprintf("%08x-%04x-%04x-%04x-%12x",
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buf[0:4],
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buf[4:6],
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buf[6:8],
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buf[8:10],
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buf[10:16])
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}
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// Short is used to generate the first 8 characters of a UUID.
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func Short() string {
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return Generate()[0:8]
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}
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