scala-core-fp module migrated to Scala 3

Author: yadavan88

build.sbt

@@ -113,6 +113,7 @@ lazy val scala_core_oop = (project in file("scala-core-modules/scala-core-oop"))
 lazy val scala_core_fp = (project in file("scala-core-modules/scala-core-fp"))
   .settings(
     name := "scala-core-fp",
+    scalaVersion := scala3Version,
     libraryDependencies ++=
       Seq(catsEffect, jUnitInterface) ++ scalaTestDeps
   )

scala-core-modules/scala-core-fp/src/main/scala-2/com/baeldung/scala/caseobjectsvsenums/CurrencyADT.scala renamed to scala-core-modules/scala-core-fp/src/main/scala/com/baeldung/scala/caseobjectsvsenums/CurrencyADT.scala

@@ -6,7 +6,7 @@ import org.scalatest.matchers.should.Matchers
 class CurryingUnitTest extends Matchers {
 
   @Test
-  def givenMultipleArgumentsFunction_whenCurried_thenReturnCurriedFunction() {
+  def givenMultipleArgumentsFunction_whenCurried_thenReturnCurriedFunction() = {
     val sum: (Int, Int) => Int = (x, y) => x + y
     val curriedSum: Int => Int => Int = sum.curried
 
@@ -15,7 +15,7 @@ class CurryingUnitTest extends Matchers {
   }
 
   @Test
-  def givenMultipleArgumentsMethod_whenCurried_thenReturnCurriedFunction() {
+  def givenMultipleArgumentsMethod_whenCurried_thenReturnCurriedFunction() = {
     def sum(x: Int, y: Int): Int = x + y
 
     val curriedSum: Int => Int => Int = (sum _).curried
@@ -25,7 +25,7 @@ class CurryingUnitTest extends Matchers {
   }
 
   @Test
-  def givenMultipleArgumentListsMethod_whenCurried_thenReturnCurriedFunction() {
+  def givenMultipleArgumentListsMethod_whenCurried_thenReturnCurriedFunction() = {
     def sum(x: Int)(y: Int): Int = x + y
 
     val curriedSum: Int => Int => Int = sum
@@ -35,15 +35,15 @@ class CurryingUnitTest extends Matchers {
   }
 
   @Test
-  def givenCurriedFunction_whenPartialApplied_thenReturnLowerArityFunction() {
+  def givenCurriedFunction_whenPartialApplied_thenReturnLowerArityFunction() = {
     val sum: Int => Int => Int = x => y => x + y
     val increment: Int => Int = sum(1)
 
     increment(1) shouldBe 2
   }
 
   @Test
-  def givenMultipleArgumentListsMethod_whenPartialApplied_thenReturnLowerArityMethod() {
+  def givenMultipleArgumentListsMethod_whenPartialApplied_thenReturnLowerArityMethod() = {
     def sum(x: Int)(y: Int): Int = x + y
 
     val increment: Int => Int = sum(1)
@@ -52,7 +52,7 @@ class CurryingUnitTest extends Matchers {
   }
 
   @Test
-  def givenMultipleArgumentsFindMethod_whenCalled_thenPredicateFunctionNeedsExplicitType() {
+  def givenMultipleArgumentsFindMethod_whenCalled_thenPredicateFunctionNeedsExplicitType() = {
     def find[A](xs: List[A], predicate: A => Boolean): Option[A] = {
       xs match {
         case Nil => None
@@ -65,7 +65,7 @@ class CurryingUnitTest extends Matchers {
   }
 
   @Test
-  def givenMultipleArgumentListFindMethod_whenCalled_thenPredicateFunctionDoesNotNeedExplicitType() {
+  def givenMultipleArgumentListFindMethod_whenCalled_thenPredicateFunctionDoesNotNeedExplicitType() = {
     def find[A](xs: List[A])(predicate: A => Boolean): Option[A] = {
       xs match {
         case Nil => None
@@ -78,7 +78,7 @@ class CurryingUnitTest extends Matchers {
   }
 
   @Test
-  def givenGenericMultipleArgumentListSumMethod_whenPartialApplied_thenReturnSimpleMethods() {
+  def givenGenericMultipleArgumentListSumMethod_whenPartialApplied_thenReturnSimpleMethods() = {
     def sumF(f: Int => Int)(x: Int, y: Int): Int = f(x) + f(y)
     val sum: (Int, Int) => Int = sumF(identity)
     val sumSquare: (Int, Int) => Int = sumF(x => x * x)
@@ -92,15 +92,15 @@ class CurryingUnitTest extends Matchers {
   }
 
   @Test
-  def givenMultipleArgumentsFunction_whenUseItAsOneArgumentFunction_thenNeedsExplicitArgumentPassing() {
+  def givenMultipleArgumentsFunction_whenUseItAsOneArgumentFunction_thenNeedsExplicitArgumentPassing() = {
     val sum: (Int, Int) => Int = (x, y) => x + y
     val numbers: List[Int] = List(1, 2, 3)
 
     numbers.map(n => sum(1, n)) shouldBe List(2, 3, 4)
   }
 
   @Test
-  def givenCurriedFunction_whenUseItAsOneArgumentFunction_thenDoesNotNeedExplicitArgumentPassing() {
+  def givenCurriedFunction_whenUseItAsOneArgumentFunction_thenDoesNotNeedExplicitArgumentPassing() = {
     val curriedSum: Int => Int => Int = x => y => x + y
     val numbers: List[Int] = List(1, 2, 3)