cats.syntax.validated.scala Maven / Gradle / Ivy
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package cats
package syntax
import cats.data.{Validated, ValidatedNec, ValidatedNel}
trait ValidatedSyntax {
implicit final def catsSyntaxValidatedId[A](a: A): ValidatedIdSyntax[A] = new ValidatedIdSyntax(a)
}
final class ValidatedIdSyntax[A](private val a: A) extends AnyVal {
def valid[B]: Validated[B, A] = Validated.Valid(a)
def validNel[B]: ValidatedNel[B, A] = Validated.Valid(a)
def invalid[B]: Validated[A, B] = Validated.Invalid(a)
def invalidNel[B]: ValidatedNel[A, B] = Validated.invalidNel(a)
}
trait ValidatedExtensionSyntax {
implicit final def catsSyntaxValidatedExtension[E, A](v: Validated[E, A]): ValidatedExtension[E, A] =
new ValidatedExtension(v)
}
final class ValidatedExtension[E, A](private val self: Validated[E, A]) extends AnyVal {
def liftTo[F[_]](implicit F: ApplicativeError[F, _ >: E]): F[A] =
F.fromValidated(self)
}
private[syntax] trait ValidatedSyntaxBincompat0 {
implicit final def catsSyntaxValidatedIdBinCompat0[A](a: A): ValidatedIdOpsBinCompat0[A] =
new ValidatedIdOpsBinCompat0(a)
}
final private[syntax] class ValidatedIdOpsBinCompat0[A](private val a: A) extends AnyVal {
/**
* Wrap a value to a valid ValidatedNec
*
* For example:
* {{{
* scala> import cats.implicits._, cats.data._
* scala> 1.validNec[String]
* res0: Validated[NonEmptyChain[String], Int] = Valid(1)
* }}}
*/
def validNec[B]: ValidatedNec[B, A] = Validated.Valid(a)
/**
* Wrap a value to an invalid ValidatedNec
*
* For example:
* {{{
* scala> import cats.implicits._, cats.data._
* scala> "Err".invalidNec[Int]
* res0: Validated[NonEmptyChain[String], Int] = Invalid(Chain(Err))
* }}}
*/
def invalidNec[B]: ValidatedNec[A, B] = Validated.invalidNec(a)
}