trait Compose[F[_, _]] extends Serializable
Must obey the laws defined in cats.laws.ComposeLaws.
Here's how you can use >>>
and <<<
Example:
scala> import cats.implicits._ scala> val f : Int => Int = (_ + 1) scala> val g : Int => Int = (_ * 100) scala> (f >>> g)(3) res0: Int = 400 scala> (f <<< g)(3) res1: Int = 301
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- Compose[F]
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- Compose.scala
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- abstract def compose[A, B, C](f: F[B, C], g: F[A, B]): F[A, C]
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- def algebra[A]: Semigroup[F[A, A]]
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