Add StateT transformS #780
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| @@ -73,6 +73,20 @@ final class StateT[F[_], S, A](val runF: F[S => F[(S, A)]]) extends Serializable | |||
| def transformF[G[_], B](f: F[(S, A)] => G[(S, B)])(implicit F: FlatMap[F], G: Applicative[G]): StateT[G, S, B] = | |||
| StateT(s => f(run(s))) | |||
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| /** Transform the state used | |||
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Unjustifiably nitpicky: could you bump "Transform..." down to the next line to be consistent with the other ScalaDoc comments?
Also, what do you think about adding an sbt-doctest example here?
| * scala> xt.run((input, "hello")) | ||
| * res1: Option[(GlobalEnv, Double)] = Some(((6,hello),5.0)) | ||
| * }}} | ||
| */ |
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