libraryDependencies += "org.novelfs" %% "pure-log" % "[Latest version]"
Works in any Applicative with a LiftIO instance.
import org.novelfs.pure.log.Logger
import org.novelfs.pure.log.simple._
import cats.effect.IO
Logger.log[IO](LogLevel.Info)("Hello World!").unsafeRunSync()
Works in any Monad with a LiftIO instance and an ApplicativeLocal instance where the environment that you intend to read from has a ToMdc instance.
import org.novelfs.pure.log.Logger
import org.novelfs.pure.log.mdc._
import cats.data.ReaderT
import cats.mtl.implicits._
case class Captain(firstName : String, lastName : String)
implicit val captainToMdc = new ToMdc[Captain] {
override def toMdc(captain: Captain): Map[String, String] = Map("firstName" -> captain.firstName, "lastName" -> captain.lastName)
}
Logger.log[ReaderT[IO, Captain, ?]](LogLevel.Info)("Hello World!")
.run(Captain("James", "Kirk"))
.unsafeRunSync()