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validation-core

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package jap
package validation

import scala.language.experimental.macros
import scala.util.Try

case class Field[P](
    path: FieldPath,
    value: P,
) {
  val name     = path.name
  val fullPath = path.full

  def subField[S](name: String, value: S): Field[S] = Field(path + name, value)

  def named(name: String): Field[P]                = copy(path = path.named(name))
  def withPath(path: FieldPath): Field[P]          = copy(path = path)
  def withValue[V](value: V): Field[V]             = copy(value = value)
  def map[B](f: P => B): Field[B]                  = withValue(f(value))
  def mapPath(f: FieldPath => FieldPath): Field[P] = withPath(f(this.path))

  override def toString = fullPath + ":" + value
}

object Field {
  implicit def toPath[P](f: Field[P]): FieldPath = f.path

  def apply[P](value: P): Field[P] = Field(FieldPath.root, value)
}