Files
rands/strings_example_test.go
Jim Myhrberg fe4308607c feat(strings/uuidv7): add UUIDv7 generation (#10)
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
2025-02-28 02:16:32 +00:00

144 lines
2.2 KiB
Go

package rands_test
import (
"fmt"
"log"
"github.com/jimeh/rands"
)
func ExampleBase64() {
s, err := rands.Base64(16)
if err != nil {
log.Fatal(err)
}
fmt.Println(s) // => nYQLhIYTqh8oH/W4hZuXMQ==
}
func ExampleBase64URL() {
s, err := rands.Base64URL(16)
if err != nil {
log.Fatal(err)
}
fmt.Println(s) // => zI_zrc1l0uPT4MxncR6e5w
}
func ExampleHex() {
s, err := rands.Hex(16)
if err != nil {
log.Fatal(err)
}
fmt.Println(s) // => b59e8977a13f3c030bd2ea1002ec8081
}
func ExampleAlphanumeric() {
s, err := rands.Alphanumeric(16)
if err != nil {
log.Fatal(err)
}
fmt.Println(s) // => EgPieCBO7MuWhHtj
}
func ExampleAlphabetic() {
s, err := rands.Alphabetic(16)
if err != nil {
log.Fatal(err)
}
fmt.Println(s) // => VzcovEqvMRBWUtQC
}
func ExampleUpper() {
s, err := rands.Upper(16)
if err != nil {
log.Fatal(err)
}
fmt.Println(s) // => MCZEGPWGYKNUEDCK
}
func ExampleUpperNumeric() {
s, err := rands.UpperNumeric(16)
if err != nil {
log.Fatal(err)
}
fmt.Println(s) // => 6LLPBBUW77B26X2X
}
func ExampleLower() {
s, err := rands.Lower(16)
if err != nil {
log.Fatal(err)
}
fmt.Println(s) // => dhoqhrqljadsztaa
}
func ExampleLowerNumeric() {
s, err := rands.LowerNumeric(16)
if err != nil {
log.Fatal(err)
}
fmt.Println(s) // => th1z1b1d24l5h8pu
}
func ExampleNumeric() {
s, err := rands.Numeric(16)
if err != nil {
log.Fatal(err)
}
fmt.Println(s) // => 3378802228987741
}
func ExampleString() {
s, err := rands.String(16, "abcdefABCDEF")
if err != nil {
log.Fatal(err)
}
fmt.Println(s) // => BAFffADaadeeacfa
}
func ExampleUnicodeString() {
s, err := rands.UnicodeString(16, []rune("九七二人入八力十下三千上口土夕大"))
if err != nil {
log.Fatal(err)
}
fmt.Println(s) // => 八三口上土土七入力夕人力下三上力
}
func ExampleDNSLabel() {
s, err := rands.DNSLabel(16)
if err != nil {
log.Fatal(err)
}
fmt.Println(s) // => ab-sbh5q0gfb6sqo
}
func ExampleUUID() {
s, err := rands.UUID()
if err != nil {
log.Fatal(err)
}
fmt.Println(s) // => 6a1c4f65-d5d6-4a28-aa51-eaa94fa7ad4a
}
func ExampleUUIDv7() {
s, err := rands.UUIDv7()
if err != nil {
log.Fatal(err)
}
fmt.Println(s) // => 01954a3a-a06f-7848-b836-bced92ae5a1a
}