mirror of
https://github.com/jimeh/rands.git
synced 2026-02-19 11:26:38 +00:00
Jim Myhrberg
fe4308607c
The UUID v7 format is a time-ordered random UUID. It uses a timestamp with millisecond precision in the most significant bits, followed by random data. This provides both uniqueness and chronological ordering, making it ideal for database primary keys and situations where sorting by creation time is desired. References: - https://uuid7.com/ - https://www.ietf.org/archive/id/draft-peabody-dispatch-new-uuid-format-04.html#name-uuid-version-7
83 lines
1.6 KiB
Go
83 lines
1.6 KiB
Go
package randsmust_test
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import (
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"fmt"
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"github.com/jimeh/rands/randsmust"
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)
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func ExampleBase64() {
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s := randsmust.Base64(16)
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fmt.Println(s) // => rGnZOxJunCd5h+piBpOfDA==
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}
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func ExampleBase64URL() {
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s := randsmust.Base64URL(16)
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fmt.Println(s) // => NlXKmutou2knLU8q7Hlp5Q
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}
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func ExampleHex() {
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s := randsmust.Hex(16)
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fmt.Println(s) // => 1013ec67a802be177d3e37f46951e97f
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}
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func ExampleAlphanumeric() {
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s := randsmust.Alphanumeric(16)
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fmt.Println(s) // => mjT119HdPslVfvUE
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}
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func ExampleAlphabetic() {
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s := randsmust.Alphabetic(16)
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fmt.Println(s) // => RLaRaTVqcrxvNkiz
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}
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func ExampleUpper() {
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s := randsmust.Upper(16)
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fmt.Println(s) // => CANJDLMHANPQNXUE
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}
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func ExampleUpperNumeric() {
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s := randsmust.UpperNumeric(16)
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fmt.Println(s) // => EERZHC96KOIRU9DM
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}
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func ExampleLower() {
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s := randsmust.Lower(16)
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fmt.Println(s) // => aoybqdwigyezucjy
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}
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func ExampleLowerNumeric() {
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s := randsmust.LowerNumeric(16)
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fmt.Println(s) // => hs8l2l0750med3g2
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}
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func ExampleNumeric() {
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s := randsmust.Numeric(16)
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fmt.Println(s) // => 3126402104379869
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}
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func ExampleString() {
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s := randsmust.String(16, "abcdefABCDEF")
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fmt.Println(s) // => cbdCAbABECaADcaB
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}
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func ExampleUnicodeString() {
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s := randsmust.UnicodeString(16, []rune("九七二人入八力十下三千上口土夕大"))
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fmt.Println(s) // => 下夕七下千千力入八三力夕千三土七
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}
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func ExampleDNSLabel() {
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s := randsmust.DNSLabel(16)
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fmt.Println(s) // => urqkt-remuwz5083
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}
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func ExampleUUID() {
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s := randsmust.UUID()
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fmt.Println(s) // => 5baa35a6-9a46-49b4-91d0-9530173e118d
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}
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func ExampleUUIDv7() {
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s := randsmust.UUIDv7()
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fmt.Println(s) // => 01954a3a-a06f-7186-8774-51a770503eb2
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}
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