io

import cats.effect.IO
import cats.effect.unsafe.implicits.global
import org.http4s.client._
import org.http4s.client.dsl.io._
import org.http4s.Method._
import org.http4s.syntax.all._

def client: Client[IO] = ???

val r: IO[String] = client.run(GET(uri"https://www.foo.bar/")).use(_.as[String])
val r2: IO[String] = client.fetchAs[String](GET(uri"https://www.foo.bar/")) // implicitly resolve the decoder

val req1 = r.unsafeRunSync() // note that you shouldn't use `unsafeRunSync` in your application!
val req2 = r2.unsafeRunSync() // Each invocation fetches a new Result based on the behavior of the Client