Class

cats.syntax

FlatMapOps

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final class FlatMapOps[F[_], A] extends AnyVal

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Instance Constructors

  1. new FlatMapOps(fa: F[A])

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Value Members

  1. final def !=(arg0: Any): Boolean

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  2. final def ##(): Int

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  3. final def ==(arg0: Any): Boolean

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  4. def >>[B](fb: ⇒ F[B])(implicit F: FlatMap[F]): F[B]

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    Alias for fa.flatMap(_ => fb).

    Alias for fa.flatMap(_ => fb).

    Unlike *>, fb is defined as a by-name parameter, allowing this method to be used in cases where computing fb is not stack safe unless suspended in a flatMap.

  5. def >>=[B](f: (A) ⇒ F[B])(implicit F: FlatMap[F]): F[B]

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    Alias for flatMap.

  6. final def asInstanceOf[T0]: T0

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  7. def foreverM[B](implicit F: FlatMap[F]): F[B]

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    Like an infinite loop of >> calls.

    Like an infinite loop of >> calls. This is most useful effect loops that you want to run forever in for instance a server.

    This will be an infinite loop, or it will return an F[Nothing].

    Be careful using this. For instance, a List of length k will produce a list of length k^n at iteration n. This means if k = 0, we return an empty list, if k = 1, we loop forever allocating single element lists, but if we have a k > 1, we will allocate exponentially increasing memory and very quickly OOM.

  8. def getClass(): Class[_ <: AnyVal]

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  9. final def isInstanceOf[T0]: Boolean

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  10. def toString(): String

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Deprecated Value Members

  1. def <<[B](fb: F[B])(implicit F: FlatMap[F]): F[A]

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    Annotations
    @deprecated
    Deprecated

    (Since version 1.0.0-RC1) Use <* instead

  2. def followedByEval[B](fb: Eval[F[B]])(implicit F: FlatMap[F]): F[B]

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    Annotations
    @deprecated
    Deprecated

    (Since version 1.0.0-RC2) Use productREval instead.

  3. def forEffectEval[B](fb: Eval[F[B]])(implicit F: FlatMap[F]): F[A]

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    @deprecated
    Deprecated

    (Since version 1.0.0-RC2) Use productLEval instead.

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