Type/Object

scalaz

Lens

Related Docs: object Lens | package scalaz

Permalink

type Lens[A, B] = LensFamily[A, A, B, B]

A lens that doesn't transform the type of the record.

Source
package.scala
See also

scalaz.@>

Linear Supertypes
Ordering
  1. Alphabetic
  2. By Inheritance
Inherited
  1. Lens
  2. AnyRef
  3. Any
  1. Hide All
  2. Show All
Visibility
  1. Public
  2. All

Type Members

  1. trait LensLaw extends AnyRef

    Permalink
    Definition Classes
    LensFamily

Abstract Value Members

  1. abstract def run(a: A1): IndexedStore[B1, B2, A2]

    Permalink
    Definition Classes
    LensFamily

Concrete Value Members

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

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

    Permalink
    Definition Classes
    AnyRef → Any
  3. def %%=[C](s: IndexedState[B1, B2, C]): IndexedState[A1, A2, C]

    Permalink
    Definition Classes
    LensFamily
  4. def %=(f: (B1) ⇒ B2): IndexedState[A1, A2, B2]

    Permalink

    Modify the portion of the state viewed through the lens and return its new value.

    Modify the portion of the state viewed through the lens and return its new value.

    Definition Classes
    LensFamily
  5. def %==(f: (B1) ⇒ B2): IndexedState[A1, A2, Unit]

    Permalink

    Modify the portion of the state viewed through the lens, but do not return its new value.

    Modify the portion of the state viewed through the lens, but do not return its new value.

    Definition Classes
    LensFamily
  6. def ***[C1, C2, D1, D2](that: LensFamily[C1, C2, D1, D2]): LensFamily[(A1, C1), (A2, C2), (B1, D1), (B2, D2)]

    Permalink

    alias for product

    alias for product

    Definition Classes
    LensFamily
  7. def ->>-[C](f: ⇒ IndexedState[A1, A2, C]): IndexedState[A1, A2, C]

    Permalink

    Sequence the monadic action of looking through the lens to occur before the state action f.

    Sequence the monadic action of looking through the lens to occur before the state action f.

    Definition Classes
    LensFamily
  8. def :=(b: ⇒ B2): IndexedState[A1, A2, B2]

    Permalink

    Set the portion of the state viewed through the lens and return its new value.

    Set the portion of the state viewed through the lens and return its new value.

    Definition Classes
    LensFamily
  9. def <%=(f: (B1) ⇒ B2): IndexedState[A1, A2, B1]

    Permalink

    Modify the portion of the state viewed through the lens and return its old value.

    Modify the portion of the state viewed through the lens and return its old value. alias for modo

    Definition Classes
    LensFamily
    Since

    7.0.2

  10. def <:=(b: ⇒ B2): IndexedState[A1, A2, B1]

    Permalink

    Set the portion of the state viewed through the lens and return its old value.

    Set the portion of the state viewed through the lens and return its old value. alias for assigno

    Definition Classes
    LensFamily
    Since

    7.0.2

  11. def <=<[C1, C2](that: LensFamily[C1, C2, A1, A2]): LensFamily[C1, C2, B1, B2]

    Permalink

    alias for compose

    alias for compose

    Definition Classes
    LensFamily
  12. final def ==(arg0: Any): Boolean

    Permalink
    Definition Classes
    AnyRef → Any
  13. def =>=(f: (B1) ⇒ B2): (A1) ⇒ A2

    Permalink
    Definition Classes
    LensFamily
  14. def =>>=[X[_]](f: (B1) ⇒ X[B2])(implicit XF: Functor[X]): (A1) ⇒ X[A2]

    Permalink
    Definition Classes
    LensFamily
  15. def >-[C](f: (B1) ⇒ C): State[A1, C]

    Permalink

    Map the function f over the value under the lens, as a state action.

    Map the function f over the value under the lens, as a state action.

    Definition Classes
    LensFamily
  16. def >=>[C1, C2](that: LensFamily[B1, B2, C1, C2]): LensFamily[A1, A2, C1, C2]

    Permalink

    alias for andThen

    alias for andThen

    Definition Classes
    LensFamily
  17. def >>-[C](f: (B1) ⇒ IndexedState[A1, A2, C]): IndexedState[A1, A2, C]

    Permalink

    Bind the function f over the value under the lens, as a state action.

    Bind the function f over the value under the lens, as a state action.

    Definition Classes
    LensFamily
  18. def andThen[C1, C2](that: LensFamily[B1, B2, C1, C2]): LensFamily[A1, A2, C1, C2]

    Permalink
    Definition Classes
    LensFamily
  19. def apply(a: A1): IndexedStore[B1, B2, A2]

    Permalink
    Definition Classes
    LensFamily
  20. final def asInstanceOf[T0]: T0

    Permalink
    Definition Classes
    Any
  21. def assign(b: ⇒ B2): IndexedState[A1, A2, B2]

    Permalink

    Set the portion of the state viewed through the lens and return its new value.

    Set the portion of the state viewed through the lens and return its new value.

    Definition Classes
    LensFamily
  22. def assigno(b: ⇒ B2): IndexedState[A1, A2, B1]

    Permalink

    Set the portion of the state viewed through the lens and return its old value.

    Set the portion of the state viewed through the lens and return its old value.

    Definition Classes
    LensFamily
    Since

    7.0.2

  23. def clone(): AnyRef

    Permalink
    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  24. def compose[C1, C2](that: LensFamily[C1, C2, A1, A2]): LensFamily[C1, C2, B1, B2]

    Permalink

    Lenses can be composed

    Lenses can be composed

    Definition Classes
    LensFamily
  25. final def eq(arg0: AnyRef): Boolean

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

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

    Permalink
    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  28. def flatMap[C](f: (B1) ⇒ IndexedState[A1, A2, C]): IndexedState[A1, A2, C]

    Permalink

    Bind the function f over the value under the lens, as a state action.

    Bind the function f over the value under the lens, as a state action.

    Definition Classes
    LensFamily
  29. def get(a: A1): B1

    Permalink
    Definition Classes
    LensFamily
  30. final def getClass(): Class[_]

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

    Permalink
    Definition Classes
    AnyRef → Any
  32. final def isInstanceOf[T0]: Boolean

    Permalink
    Definition Classes
    Any
  33. def lensLaw: LensLaw

    Permalink
    Definition Classes
    LensFamily
  34. def lifts[C](s: IndexedState[B1, B2, C]): IndexedState[A1, A2, C]

    Permalink

    Contravariantly map a state action through a lens.

    Contravariantly map a state action through a lens.

    Definition Classes
    LensFamily
  35. def liftsNT: ~>[[γ$0$]IndexedStateT[[X]X, B1, B2, γ$0$], [γ$1$]IndexedStateT[[X]X, A1, A2, γ$1$]]

    Permalink

    Contravariantly mapping the state of a state monad through a lens is a natural transformation

    Contravariantly mapping the state of a state monad through a lens is a natural transformation

    Definition Classes
    LensFamily
  36. def map[C](f: (B1) ⇒ C): State[A1, C]

    Permalink

    Map the function f over the lens as a state action.

    Map the function f over the lens as a state action.

    Definition Classes
    LensFamily
  37. def mod(f: (B1) ⇒ B2, a: A1): A2

    Permalink

    Modify the value viewed through the lens

    Modify the value viewed through the lens

    Definition Classes
    LensFamily
  38. def modf[X[_]](f: (B1) ⇒ X[B2], a: A1)(implicit XF: Functor[X]): X[A2]

    Permalink

    Modify the value viewed through the lens, returning a functor X full of results.

    Modify the value viewed through the lens, returning a functor X full of results.

    Definition Classes
    LensFamily
  39. def modo(f: (B1) ⇒ B2): IndexedState[A1, A2, B1]

    Permalink

    Modify the portion of the state viewed through the lens and return its old value.

    Modify the portion of the state viewed through the lens and return its old value.

    Definition Classes
    LensFamily
    Since

    7.0.2

  40. def modp[C](f: (B1) ⇒ (B2, C), a: A1): (A2, C)

    Permalink

    Modify the value viewed through the lens, returning a C on the side.

    Modify the value viewed through the lens, returning a C on the side.

    Definition Classes
    LensFamily
  41. def mods(f: (B1) ⇒ B2): IndexedState[A1, A2, B2]

    Permalink

    Modify the portion of the state viewed through the lens and return its new value.

    Modify the portion of the state viewed through the lens and return its new value.

    Definition Classes
    LensFamily
  42. def mods_(f: (B1) ⇒ B2): IndexedState[A1, A2, Unit]

    Permalink

    Modify the portion of the state viewed through the lens, but do not return its new value.

    Modify the portion of the state viewed through the lens, but do not return its new value.

    Definition Classes
    LensFamily
  43. final def ne(arg0: AnyRef): Boolean

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

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

    Permalink
    Definition Classes
    AnyRef
  46. def partial: PLensFamily[A1, A2, B1, B2]

    Permalink

    A homomorphism of lens categories

    A homomorphism of lens categories

    Definition Classes
    LensFamily
  47. def product[C1, C2, D1, D2](that: LensFamily[C1, C2, D1, D2]): LensFamily[(A1, C1), (A2, C2), (B1, D1), (B2, D2)]

    Permalink

    Two disjoint lenses can be paired

    Two disjoint lenses can be paired

    Definition Classes
    LensFamily
  48. def set(a: A1, b: B2): A2

    Permalink
    Definition Classes
    LensFamily
  49. def setf[X[_]](a: A1, b: X[B2])(implicit XF: Functor[X]): X[A2]

    Permalink
    Definition Classes
    LensFamily
  50. def st: State[A1, B1]

    Permalink
    Definition Classes
    LensFamily
  51. def sum[C1, C2](that: ⇒ LensFamily[C1, C2, B1, B2]): LensFamily[\/[A1, C1], \/[A2, C2], B1, B2]

    Permalink

    Two lenses that view a value of the same type can be joined

    Two lenses that view a value of the same type can be joined

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

    Permalink
    Definition Classes
    AnyRef
  53. def toString(): String

    Permalink
    Definition Classes
    AnyRef → Any
  54. def unary_~: PLensFamily[A1, A2, B1, B2]

    Permalink

    alias for partial

    alias for partial

    Definition Classes
    LensFamily
  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( ... )
  58. def xmapA[X1, X2](f: (A2) ⇒ X2)(g: (X1) ⇒ A1): LensFamily[X1, X2, B1, B2]

    Permalink
    Definition Classes
    LensFamily
  59. def xmapB[X1, X2](f: (B1) ⇒ X1)(g: (X2) ⇒ B2): LensFamily[A1, A2, X1, X2]

    Permalink
    Definition Classes
    LensFamily
  60. def xmapbA[X, A >: A2 <: A1](b: Bijection[A, X]): LensFamily[X, X, B1, B2]

    Permalink
    Definition Classes
    LensFamily
  61. def xmapbB[X, B >: B1 <: B2](b: Bijection[B, X]): LensFamily[A1, A2, X, X]

    Permalink
    Definition Classes
    LensFamily
  62. def |||[C1, C2](that: ⇒ LensFamily[C1, C2, B1, B2]): LensFamily[\/[A1, C1], \/[A2, C2], B1, B2]

    Permalink

    Alias for sum

    Alias for sum

    Definition Classes
    LensFamily

Inherited from AnyRef

Inherited from Any

Ungrouped