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validated.scala
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validated.scala
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/*
* Copyright (c) 2015 Typelevel
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
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)
}