import (
 "context"
 "github.com/redis/rueidis"
)

func main() {
 client, err := rueidis.NewClient(rueidis.ClientOption{InitAddress: []string{"127.0.0.1:6379"}})
 if err != nil {
  panic(err)
 }
 defer client.Close()

 ctx := context.Background()
 // SET key val NX
 err = client.Do(ctx, client.B().Set().Key("key").Value("val").Nx().Build()).Error()
 // HGETALL hm
 hm, err := client.Do(ctx, client.B().Hgetall().Key("hm").Build()).AsStrMap()
}