Nano ID implementation in Go -- unique ID generator
go-nanoid is a Go implementation of nanoid
Features
Features of the nanoid spec are:
- Use of hardware random generator
- Uses a larger charset (
A-Za-z0-9_-
) than UUID - Faster than UUID
- URL friendly
Features of this specific implementation are:
- Fastest and most performant implementation of Nano ID
- Prefetches random bytes in advance
- Uses optimal memory
- No production dependencies
Example
import (
"log"
"math/rand"
"time"
"github.com/jaevor/go-nanoid"
)
func main() {
createNanoid, err := nanoid.Standard(21)
if err != nil {
panic(err)
}
id1 := createNanoid()
log.Printf("ID 1: %s", id1) // p7aXQf7xK3jlfecYGKeRK
// [!] Remember to seed.
rand.Seed(time.Now().Unix())
createNonSecureNanoid, err := nanoid.StandardNonSecure(21)
if err != nil {
panic(err)
}
id2 := createNonSecureNanoid()
log.Printf("ID 2: %s", id2) // japKZqwnQvllgUQ8lwgkP
createCustomNanoid, err := nanoid.Custom("0123456789", 12)
if err != nil {
panic(err)
}
id3 := f3()
log.Printf("ID 3: %s", id3) // 462855288020
}
Notes
Developed in Go 1.18.3
Remember to rand.Seed(...)
before using the non-secure generators.
The generation of non-secure Nano IDs are not as fast as they could be yet
View go-nanoid at github.
0
See Also
- Generate and composite thumbnails from images using Go
- Full LRU/FIFO Cache Implementation in Golang
- Only reverse a Slice in go
- Optimizing Large File Transfers in Linux with Go TCP/Syscall
- Daemonize Your Go Programs