Class

magnolia

CaseClass

Related Doc: package magnolia

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abstract class CaseClass[Typeclass[_], Type] extends AnyRef

represents a case class or case object and the context required to construct a new typeclass instance corresponding to it

Instances of CaseClass provide access to all of the parameters of the case class, the full name of the case class type, and a boolean to determine whether the type is a case class or case object.

Typeclass

type constructor for the typeclass being derived

Type

generic type of this parameter

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Abstract Value Members

  1. abstract def rawConstruct(fieldValues: Seq[Any]): Type

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    constructs a new instance of the case class type

    constructs a new instance of the case class type

    Like construct this method is implemented by Magnolia and lets you construct case class instances generically in user code, without knowing their type concretely.

    rawConstruct, however, is more low-level in that it expects you to provide a Seq containing all the field values for the case class type, in order and with the correct types.

    fieldValues

    contains the field values for the case class instance to be constructed, in order and with the correct types.

    returns

    a new instance of the case class

    Exceptions thrown

    IllegalArgumentException if the size of paramValues differs from the size of parameters

Concrete 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. final def annotations: Seq[Any]

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    a sequence of objects representing all of the annotations on the case class

    a sequence of objects representing all of the annotations on the case class

    For efficiency, this sequence is implemented by an Array, but upcast to a scala.collection.Seq to hide the mutable collection API.

  5. final def asInstanceOf[T0]: T0

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  6. def clone(): AnyRef

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    @throws( ... )
  7. final def construct[Return](makeParam: (Param[Typeclass, Type]) ⇒ Return): Type

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    constructs a new instance of the case class type

    constructs a new instance of the case class type

    This method will be implemented by the Magnolia macro to make it possible to construct instances of case classes generically in user code, that is, without knowing their type concretely.

    To construct a new case class instance, the method takes a lambda which defines how each parameter in the new case class should be constructed. See the Param class for more information on constructing parameter values from a Param instance.

    makeParam

    lambda for converting a generic Param into the value to be used for this parameter in the construction of a new instance of the case class

    returns

    a new instance of the case class

  8. final def eq(arg0: AnyRef): Boolean

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  9. def equals(arg0: Any): Boolean

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  10. def finalize(): Unit

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  11. final def getClass(): Class[_]

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  12. def hashCode(): Int

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  13. final def isInstanceOf[T0]: Boolean

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  14. val isObject: Boolean

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    true only if this represents a case object rather than a case class

  15. val isValueClass: Boolean

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  16. final def ne(arg0: AnyRef): Boolean

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  17. final def notify(): Unit

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  18. final def notifyAll(): Unit

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  19. final def parameters: Seq[Param[Typeclass, Type]]

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    a sequence of Param objects representing all of the parameters in the case class

    a sequence of Param objects representing all of the parameters in the case class

    For efficiency, this sequence is implemented by an Array, but upcast to a scala.collection.Seq to hide the mutable collection API.

  20. final def synchronized[T0](arg0: ⇒ T0): T0

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  21. def toString(): String

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    CaseClass → AnyRef → Any
  22. val typeName: TypeName

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    the name of the case class

  23. final def wait(): Unit

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    @throws( ... )
  24. final def wait(arg0: Long, arg1: Int): Unit

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  25. final def wait(arg0: Long): Unit

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