Trait/Object

cats.laws

MonadCombineLaws

Related Docs: object MonadCombineLaws | package laws

Permalink

trait MonadCombineLaws[F[_]] extends MonadFilterLaws[F] with AlternativeLaws[F]

Laws that must be obeyed by any MonadCombine.

Linear Supertypes
Ordering
  1. Alphabetic
  2. By Inheritance
Inherited
  1. MonadCombineLaws
  2. AlternativeLaws
  3. MonoidKLaws
  4. SemigroupKLaws
  5. MonadFilterLaws
  6. FunctorFilterLaws
  7. MonadLaws
  8. FlatMapLaws
  9. ApplicativeLaws
  10. ApplyLaws
  11. CartesianLaws
  12. FunctorLaws
  13. InvariantLaws
  14. AnyRef
  15. Any
  1. Hide All
  2. Show All
Visibility
  1. Public
  2. All

Abstract Value Members

  1. implicit abstract def F: MonadCombine[F]

    Permalink

Concrete Value Members

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

    Permalink
    Definition Classes
    AnyRef → Any
  2. final def ##(): Int

    Permalink
    Definition Classes
    AnyRef → Any
  3. final def ==(arg0: Any): Boolean

    Permalink
    Definition Classes
    AnyRef → Any
  4. implicit def algebra[A]: Monoid[F[A]]

    Permalink
    Definition Classes
    AlternativeLaws
  5. def alternativeLeftDistributivity[A, B](fa: F[A], fa2: F[A], f: (A) ⇒ B): IsEq[F[B]]

    Permalink
    Definition Classes
    AlternativeLaws
  6. def alternativeRightAbsorption[A, B](ff: F[(A) ⇒ B]): IsEq[F[B]]

    Permalink
    Definition Classes
    AlternativeLaws
  7. def alternativeRightDistributivity[A, B](fa: F[A], ff: F[(A) ⇒ B], fg: F[(A) ⇒ B]): IsEq[F[B]]

    Permalink
    Definition Classes
    AlternativeLaws
  8. def apProductConsistent[A, B](fa: F[A], f: F[(A) ⇒ B]): IsEq[F[B]]

    Permalink
    Definition Classes
    ApplicativeLaws
  9. def applicativeComposition[A, B, C](fa: F[A], fab: F[(A) ⇒ B], fbc: F[(B) ⇒ C]): IsEq[F[C]]

    Permalink

    This law is applyComposition stated in terms of pure.

    This law is applyComposition stated in terms of pure. It is a combination of applyComposition and applicativeMap and hence not strictly necessary.

    Definition Classes
    ApplicativeLaws
  10. def applicativeHomomorphism[A, B](a: A, f: (A) ⇒ B): IsEq[F[B]]

    Permalink
    Definition Classes
    ApplicativeLaws
  11. def applicativeIdentity[A](fa: F[A]): IsEq[F[A]]

    Permalink
    Definition Classes
    ApplicativeLaws
  12. def applicativeInterchange[A, B](a: A, ff: F[(A) ⇒ B]): IsEq[F[B]]

    Permalink
    Definition Classes
    ApplicativeLaws
  13. def applicativeMap[A, B](fa: F[A], f: (A) ⇒ B): IsEq[F[B]]

    Permalink
    Definition Classes
    ApplicativeLaws
  14. def applyComposition[A, B, C](fa: F[A], fab: F[(A) ⇒ B], fbc: F[(B) ⇒ C]): IsEq[F[C]]

    Permalink
    Definition Classes
    ApplyLaws
  15. final def asInstanceOf[T0]: T0

    Permalink
    Definition Classes
    Any
  16. def cartesianAssociativity[A, B, C](fa: F[A], fb: F[B], fc: F[C]): (F[(A, (B, C))], F[((A, B), C)])

    Permalink
    Definition Classes
    CartesianLaws
  17. def clone(): AnyRef

    Permalink
    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  18. def covariantComposition[A, B, C](fa: F[A], f: (A) ⇒ B, g: (B) ⇒ C): IsEq[F[C]]

    Permalink
    Definition Classes
    FunctorLaws
  19. def covariantIdentity[A](fa: F[A]): IsEq[F[A]]

    Permalink
    Definition Classes
    FunctorLaws
  20. final def eq(arg0: AnyRef): Boolean

    Permalink
    Definition Classes
    AnyRef
  21. def equals(arg0: Any): Boolean

    Permalink
    Definition Classes
    AnyRef → Any
  22. def finalize(): Unit

    Permalink
    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  23. def flatMapAssociativity[A, B, C](fa: F[A], f: (A) ⇒ F[B], g: (B) ⇒ F[C]): IsEq[F[C]]

    Permalink
    Definition Classes
    FlatMapLaws
  24. def flatMapConsistentApply[A, B](fa: F[A], fab: F[(A) ⇒ B]): IsEq[F[B]]

    Permalink
    Definition Classes
    FlatMapLaws
  25. def followedByConsistency[A, B](fa: F[A], fb: F[B]): IsEq[F[B]]

    Permalink
    Definition Classes
    FlatMapLaws
  26. final def getClass(): Class[_]

    Permalink
    Definition Classes
    AnyRef → Any
  27. def hashCode(): Int

    Permalink
    Definition Classes
    AnyRef → Any
  28. def invariantComposition[A, B, C](fa: F[A], f1: (A) ⇒ B, f2: (B) ⇒ A, g1: (B) ⇒ C, g2: (C) ⇒ B): IsEq[F[C]]

    Permalink
    Definition Classes
    InvariantLaws
  29. def invariantIdentity[A](fa: F[A]): IsEq[F[A]]

    Permalink
    Definition Classes
    InvariantLaws
  30. final def isInstanceOf[T0]: Boolean

    Permalink
    Definition Classes
    Any
  31. def kleisliAssociativity[A, B, C, D](f: (A) ⇒ F[B], g: (B) ⇒ F[C], h: (C) ⇒ F[D], a: A): IsEq[F[D]]

    Permalink

    The composition of cats.data.Kleisli arrows is associative.

    The composition of cats.data.Kleisli arrows is associative. This is analogous to flatMapAssociativity.

    Definition Classes
    FlatMapLaws
  32. def kleisliLeftIdentity[A, B](a: A, f: (A) ⇒ F[B]): IsEq[F[B]]

    Permalink

    pure is the left identity element under left-to-right composition of cats.data.Kleisli arrows.

    pure is the left identity element under left-to-right composition of cats.data.Kleisli arrows. This is analogous to monadLeftIdentity.

    Definition Classes
    MonadLaws
  33. def kleisliRightIdentity[A, B](a: A, f: (A) ⇒ F[B]): IsEq[F[B]]

    Permalink

    pure is the right identity element under left-to-right composition of cats.data.Kleisli arrows.

    pure is the right identity element under left-to-right composition of cats.data.Kleisli arrows. This is analogous to monadRightIdentity.

    Definition Classes
    MonadLaws
  34. def mapFilterComposition[A, B, C](fa: F[A], f: (A) ⇒ Option[B], g: (B) ⇒ Option[C]): IsEq[F[C]]

    Permalink
    Definition Classes
    FunctorFilterLaws
  35. def mapFilterMapConsistency[A, B](fa: F[A], f: (A) ⇒ B): IsEq[F[B]]

    Permalink

    Combined with the functor identity law, this implies a mapFilter identity law (when f is the identity function).

    Combined with the functor identity law, this implies a mapFilter identity law (when f is the identity function).

    Definition Classes
    FunctorFilterLaws
  36. def mapFlatMapCoherence[A, B](fa: F[A], f: (A) ⇒ B): IsEq[F[B]]

    Permalink

    Make sure that map and flatMap are consistent.

    Make sure that map and flatMap are consistent.

    Definition Classes
    MonadLaws
  37. def monadCombineLeftDistributivity[A, B](fa: F[A], fa2: F[A], f: (A) ⇒ F[B]): IsEq[F[B]]

    Permalink
  38. def monadFilterConsistency[A, B](fa: F[A], f: (A) ⇒ Boolean): IsEq[F[A]]

    Permalink
    Definition Classes
    MonadFilterLaws
  39. def monadFilterLeftEmpty[A, B](f: (A) ⇒ F[B]): IsEq[F[B]]

    Permalink
    Definition Classes
    MonadFilterLaws
  40. def monadFilterRightEmpty[A, B](fa: F[A]): IsEq[F[B]]

    Permalink
    Definition Classes
    MonadFilterLaws
  41. def monadLeftIdentity[A, B](a: A, f: (A) ⇒ F[B]): IsEq[F[B]]

    Permalink
    Definition Classes
    MonadLaws
  42. def monadRightIdentity[A](fa: F[A]): IsEq[F[A]]

    Permalink
    Definition Classes
    MonadLaws
  43. def monoidKLeftIdentity[A](a: F[A]): IsEq[F[A]]

    Permalink
    Definition Classes
    MonoidKLaws
  44. def monoidKRightIdentity[A](a: F[A]): IsEq[F[A]]

    Permalink
    Definition Classes
    MonoidKLaws
  45. def monoidalLeftIdentity[A](fa: F[A]): (F[(Unit, A)], F[A])

    Permalink
    Definition Classes
    ApplicativeLaws
  46. def monoidalRightIdentity[A](fa: F[A]): (F[(A, Unit)], F[A])

    Permalink
    Definition Classes
    ApplicativeLaws
  47. def mproductConsistency[A, B](fa: F[A], fb: (A) ⇒ F[B]): IsEq[F[(A, B)]]

    Permalink
    Definition Classes
    FlatMapLaws
  48. final def ne(arg0: AnyRef): Boolean

    Permalink
    Definition Classes
    AnyRef
  49. final def notify(): Unit

    Permalink
    Definition Classes
    AnyRef
  50. final def notifyAll(): Unit

    Permalink
    Definition Classes
    AnyRef
  51. def semigroupKAssociative[A](a: F[A], b: F[A], c: F[A]): IsEq[F[A]]

    Permalink
    Definition Classes
    SemigroupKLaws
  52. final def synchronized[T0](arg0: ⇒ T0): T0

    Permalink
    Definition Classes
    AnyRef
  53. def tailRecMConsistentFlatMap[A](a: A, f: (A) ⇒ F[A]): IsEq[F[A]]

    Permalink
    Definition Classes
    FlatMapLaws
  54. def toString(): String

    Permalink
    Definition Classes
    AnyRef → Any
  55. final def wait(): Unit

    Permalink
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  56. final def wait(arg0: Long, arg1: Int): Unit

    Permalink
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  57. final def wait(arg0: Long): Unit

    Permalink
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

Inherited from AlternativeLaws[F]

Inherited from MonoidKLaws[F]

Inherited from SemigroupKLaws[F]

Inherited from MonadFilterLaws[F]

Inherited from FunctorFilterLaws[F]

Inherited from MonadLaws[F]

Inherited from FlatMapLaws[F]

Inherited from ApplicativeLaws[F]

Inherited from ApplyLaws[F]

Inherited from CartesianLaws[F]

Inherited from FunctorLaws[F]

Inherited from InvariantLaws[F]

Inherited from AnyRef

Inherited from Any

Ungrouped