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31 lines
907 B
31 lines
907 B
package wow.doge.mygame.utils
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import cats.data.Reader
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import cats.data.ReaderT
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import monix.bio.UIO
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object ReaderDemo {
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type IoReaderT[S, E, A] = ReaderT[UIO, S, Either[E, A]]
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val IoReaderT = ReaderT
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val t =
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ReaderT[UIO, String, Either[Error, Unit]](s => UIO.unit.attempt)
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.run("s")
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.rethrow
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val r: IoReaderT[String, Error, Unit] = IoReaderT(s => UIO.unit.attempt)
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val t2 = r.run("s").rethrow
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// Kleisli[IO, String, Unit](s => IO.unit)
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case class Environment(str: String, num: Int)
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def fun1: Reader[String, UIO[Unit]] = Reader(str => UIO(println(str)))
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def fun2: Reader[Int, UIO[Unit]] = Reader(num => UIO(println(num)))
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def total: Reader[Environment, UIO[Unit]] =
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for {
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x <- fun1.local[Environment](_.str)
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y <- fun2.local[Environment](_.num)
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} yield UIO.parSequence(List(x, y)).void
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val io: UIO[Unit] = total.run(Environment("hello", 50))
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}
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