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iomonadsscala-cats

cats-effect: How to transform `List[IO[A]]` to `IO[List[A]]`

I have an List[IO[A]] and I want to convert it to an IO[List[A]] In scalaz I would use sequenceU but I don't find the equivalent in cats

Solution

  • This solved my problems

    import cats.implicits._

val x: List[IO[A]] = ...
val y: IO[List[A]] = x.sequence