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• contravariant.scala

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cats.syntax.contravariant.scala Maven / Gradle / Ivy

package cats
package syntax

import cats.functor.Contravariant


trait ContravariantSyntax1 {
  implicit def contravariantSyntaxU[FA](fa: FA)(implicit U: Unapply[Contravariant, FA]): Contravariant.Ops[U.M, U.A] =
    new Contravariant.Ops[U.M, U.A] {
      val self = U.subst(fa)
      val typeClassInstance = U.TC
    }
}

trait ContravariantSyntax extends Contravariant.ToContravariantOps with ContravariantSyntax1