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lambdas variations in scala / published by https://github.com/dacr/code-examples-manager #4664cc4a-aa71-430c-ab64-76f33effa7b5/382d8115dd34f822d2e58cf46decf8028850988a
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// summary : lambdas variations in scala | |
// keywords : scala, language-feature, fold, @testable | |
// publish : gist | |
// authors : David Crosson | |
// license : Apache NON-AI License Version 2.0 (https://raw.githubusercontent.com/non-ai-licenses/non-ai-licenses/main/NON-AI-APACHE2) | |
// id : 4664cc4a-aa71-430c-ab64-76f33effa7b5 | |
// created-on : 2021-10-16T10:54:03+02:00 | |
// managed-by : https://github.com/dacr/code-examples-manager | |
// run-with : scala-cli $file | |
// --------------------- | |
//> using scala "3.3.0" | |
//> using dep "org.scalatest::scalatest:3.2.16" | |
//> using objectWrapper | |
// --------------------- | |
import org.scalatest._, flatspec._, matchers._, OptionValues._ | |
class ThatSpec extends AnyFlatSpec with should.Matchers { | |
override def suiteName = "ThatSpec" | |
"identify function" should "do nothing" in { | |
Some(true).map(identity) shouldBe Some(true) | |
Some(false).map(identity) shouldBe Some(false) | |
} | |
"magic function placeholder" should "be usable in many situations" in { | |
Some(true).filter(if (_) false else true) shouldBe None | |
} | |
} | |
org.scalatest.tools.Runner.main(Array("-oDF", "-s", classOf[ThatSpec].getName)) |
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