urldsl.vocabulary.FromStringWithNumeric.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.vocabulary

import urldsl.errors.ErrorFromThrowable

trait FromStringWithNumeric {

  implicit def numericFromString[T, A](implicit
      num: Numeric[T],
      fromThrowable: ErrorFromThrowable[A]
  ): FromString[T, A] = FromString.factory(s =>
    num.parseString(s) match {
      case Some(t) => Right(t)
      case None    => Left(fromThrowable.fromThrowable(new Exception(s"$s is not numeric")))
    }
  )

}