urldsl.errors.DummyError.scala Maven / Gradle / Ivy

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A tiny library for parsing and creating urls in a type-safe way

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package urldsl.errors
import urldsl.vocabulary.Segment

/** Error type with only one instance, for when you only care about knowing whether the error exists.
  */
sealed trait DummyError

object DummyError {

  object dummyError extends DummyError

  implicit final lazy val dummyErrorIsParamMatchingError: ParamMatchingError[DummyError] =
    new ParamMatchingError[DummyError] {
      def missingParameterError(paramName: String): DummyError = dummyError

      def fromThrowable(throwable: Throwable): DummyError = dummyError
    }

  implicit final lazy val dummyErrorIsPathMatchingError: PathMatchingError[DummyError] =
    new PathMatchingError[DummyError] {
      def malformed(str: => String): DummyError = dummyError

      def endOfSegmentRequired(remainingSegments: => List[Segment]): DummyError = dummyError

      def wrongValue(expected: => String, actual: => String): DummyError = dummyError

      def missingSegment: DummyError = dummyError

      def fromThrowable(throwable: Throwable): DummyError = dummyError

      def unit: DummyError = dummyError
    }

  implicit lazy val dummyErrorIsFragmentMatchingError: FragmentMatchingError[DummyError] =
    new FragmentMatchingError[DummyError] {
      def missingFragmentError: DummyError = dummyError
      def wrongValue[T](actual: T, expected: T): DummyError = dummyError
      def fragmentWasPresent(value: String): DummyError = dummyError
    }

  implicit final lazy val dummyErrorIsFromThrowable: ErrorFromThrowable[DummyError] = (_: Throwable) => dummyError

}