Connection API

Purely functional interface for the Connection API.

Usage

import cats.effect.*
import dev.profunktor.valkey4cats.Valkey
import dev.profunktor.valkey4cats.effect.Log

given Log[IO] = Log.Stdout.instance[IO]

Valkey[IO].utf8("valkey://localhost:6379").use { valkey =>
  for
    // PING
    pong <- valkey.ping
    _ <- IO.println(s"PING: ${pong.toOption}") // Some("PONG")

    // PING with message
    echo <- valkey.ping("hello")
    _ <- IO.println(s"PING hello: ${echo.toOption}") // Some("hello")

    // ECHO
    echoed <- valkey.echo("test message")
    _ <- IO.println(s"ECHO: ${echoed.toOption}")

    // CLIENT ID
    clientId <- valkey.clientId
    _ <- IO.println(s"Client ID: ${clientId.toOption}")

    // SELECT (switch database)
    _ <- valkey.select(1)
    _ <- valkey.select(0)
  yield ()
}

Available commands

Command	Method	Return type
PING	ping	F[ValkeyResponse[String]]
PING (msg)	ping(message)	F[ValkeyResponse[V]]
ECHO	echo(message)	F[ValkeyResponse[V]]
CLIENT ID	clientId	F[ValkeyResponse[Long]]
CLIENT GETNAME	clientGetName	F[ValkeyResponse[Option[String]]]
SELECT	select(index)	F[ValkeyResponse[Unit]]