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TellTests.scala
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TellTests.scala
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/*
* Copyright 2021 Typelevel
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package cats
package mtl
package laws
package discipline
import org.scalacheck.Prop.{forAll => ∀}
import org.scalacheck.Arbitrary
import org.typelevel.discipline.Laws
import cats.kernel.laws.discipline.catsLawsIsEqToProp
trait TellTests[F[_], L] extends Laws {
def laws: TellLaws[F, L]
def tell[A: Arbitrary](implicit ArbL: Arbitrary[L], EqFA: Eq[F[A]]): RuleSet = {
new DefaultRuleSet(
name = "tell",
parent = None,
"tuple is (flip writer)" -> ∀(laws.tupleIsWriterFlipped[A] _),
"writer is tell and map" -> ∀(laws.writerIsTellAndMap[A] _)
)
}
}
object TellTests {
def apply[F[_], L](implicit instance0: Tell[F, L]): TellTests[F, L] = {
new TellTests[F, L] {
override def laws: TellLaws[F, L] = TellLaws[F, L]
}
}
}