27 lines
570 B
Go
27 lines
570 B
Go
package rnd
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import (
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"strconv"
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"time"
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)
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const (
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PrefixNone = byte(0)
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PrefixMixed = byte('*')
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)
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// GenerateUID returns a unique id with prefix as string.
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func GenerateUID(prefix byte) string {
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return generateUID(prefix, time.Now())
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}
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// generateUID returns a unique id with prefix as string at a given time.
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func generateUID(prefix byte, t time.Time) string {
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result := make([]byte, 0, 16)
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result = append(result, prefix)
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result = append(result, strconv.FormatInt(t.UTC().Unix(), 36)[0:6]...)
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result = append(result, Base36(9)...)
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return string(result)
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}
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