Quick Start
import cats.effect._
import cats.implicits._
import dev.profunktor.redis4cats.Redis
import dev.profunktor.redis4cats.effect.Log.Stdout._
object QuickStart extends IOApp.Simple {
def run: IO[Unit] =
Redis[IO].utf8("redis://localhost").use { redis =>
for {
_ <- redis.set("foo", "123")
x <- redis.get("foo")
_ <- redis.setNx("foo", "should not happen")
y <- redis.get("foo")
_ <- IO(println(x === y)) // true
} yield ()
}
}
This is the simplest way to get up and running with a single-node Redis connection. To learn more about commands, clustering, pipelining and transactions, please have a look at the extensive documentation.
You can continue reading about the different ways of acquiring a client and a connection here.