Created
September 14, 2018 16:06
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trait MonadReader[R, F[_]] { | |
def read: F[R] | |
} | |
trait HasEnv1[R] { | |
def env1: Lens[R, LowDslEnv1] | |
} | |
case class LowDslEnv1() | |
def myLowDsl1[R: HasEnv1, F[_]: MonadReader[R, ?]]: F[Unit] = ??? | |
trait HasEnv2[R] { | |
def env2: Lens[R, LowDslEnv2] | |
} | |
case class LowDslEnv2() | |
def myLowDsl2[R: HasEnv2, F[_]: MonadReader[R, ?]]: F[Unit] = ??? | |
case class GlobalEnv(env1: LowDslEnv1, env2: LowDslEnv2) | |
object GlobalEnv { | |
implicit val GlobalEnvHasEnv1: HasEnv1[GlobalEnv] = ??? | |
implicit val GlobalEnvHasEnv2: HasEnv2[GlobalEnv] = ??? | |
} | |
def myProgram[F[_]: MonadReader[GlobalEnv, ?]]: F[Unit] = ??? |
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