com.avsystem.commons.misc.ApplierUnapplier.scala Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of commons-core_2.13 Show documentation

AVSystem commons library for Scala

There is a newer version: 2.22.0

package com.avsystem.commons
package misc

import scala.annotation.implicitNotFound

/**
  * Typeclass which captures case class `apply` method in a raw form that takes untyped sequence of arguments.
  */
@implicitNotFound("cannot materialize Applier: ${T} is not a case class or case class like type")
trait Applier[T] {
  def apply(rawValues: Seq[Any]): T
}
object Applier {
  implicit def materialize[T]: Applier[T] = macro macros.misc.MiscMacros.applier[T]
}

/**
  * Typeclass which captures case class `unapply`/`unapplySeq` method in a raw form that returns
  * untyped sequence of values.
  */
@implicitNotFound("cannot materialize Unapplier: ${T} is not a case class or case class like type")
trait Unapplier[T] {
  def unapply(value: T): Seq[Any]
}
object Unapplier {
  implicit def materialize[T]: Unapplier[T] = macro macros.misc.MiscMacros.unapplier[T]
}

class ProductUnapplier[T <: Product] extends Unapplier[T] {
  def unapply(value: T): Seq[Any] = IArraySeq.unsafeWrapArray(value.productIterator.toArray)
}
abstract class ProductApplierUnapplier[T <: Product] extends ProductUnapplier[T] with ApplierUnapplier[T]

@implicitNotFound("cannot materialize ApplierUnapplier: ${T} is not a case class or case class like type")
trait ApplierUnapplier[T] extends Applier[T] with Unapplier[T]
object ApplierUnapplier {
  implicit def materialize[T]: ApplierUnapplier[T] = macro macros.misc.MiscMacros.applierUnapplier[T]
}