exercism · ErikSchierboom · Aug 14, 2024 · Jul 17, 2024 · Jul 17, 2024 · Jul 18, 2024
diff --git a/.gitignore b/.gitignore
@@ -2,6 +2,7 @@
 *.swp
 .DS_Store
 .idea
+.vscode
 tmp
 target/
 bin/configlet
@@ -13,9 +14,11 @@ bin/configlet.exe
 .bloop/
 .metals/
 
-project/
+project/*
 !project/build.properties
 !project/plugins.sbt
 project/target
 src/test/scala/project/
 target
+
+generated
diff --git a/.scalafmt.conf b/.scalafmt.conf
@@ -0,0 +1,9 @@
+version = "3.8.2"
+align.preset = most
+maxColumn = 160
+trailingCommas = always
+continuationIndent.callSite = 2
+continuationIndent.defnSite = 2
+runner.dialect = scala3
+rewrite.scala3.convertToNewSyntax = yes
+rewrite.scala3.removeOptionalBraces = yes
diff --git a/build.sbt b/build.sbt
@@ -0,0 +1,22 @@
+name := "ExcercismScalaTestGenerator"
+
+ThisBuild / scalaVersion := "3.4.2"
+ThisBuild / scalacOptions ++= Seq("-source:future")
+
+lazy val root = project
+  .in(file("."))
+  .aggregate(testgen)
+
+lazy val testgen = project
+  .enablePlugins(SbtTwirl)
+  .settings(
+    Compile / TwirlKeys.compileTemplates / sourceDirectories
+        += (baseDirectory.value.getParentFile / "src" / "main" / "twirl")
+    )
+  .settings(
+    libraryDependencies += "org.playframework" %% "play-json" % "3.0.4",
+    libraryDependencies += "org.playframework.twirl" %% "twirl-api" % "2.0.7",
+    libraryDependencies += "org.scala-lang.modules" %% "scala-parser-combinators" % "2.4.0",
+    libraryDependencies += "org.apache.commons" % "commons-lang3" % "3.15.0"
+  )
+
diff --git a/exercises/concept/basics/build.sbt b/exercises/concept/basics/build.sbt
@@ -1,3 +1,3 @@
-scalaVersion := "2.13.6"
+scalaVersion := "3.4.2"
 
-libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.10" % "test"
+libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.19" % Test
diff --git a/exercises/concept/basics/project/build.properties b/exercises/concept/basics/project/build.properties
@@ -0,0 +1 @@
+sbt.version=1.10.1
diff --git a/exercises/practice/accumulate/build.sbt b/exercises/practice/accumulate/build.sbt
@@ -1,3 +1,3 @@
-scalaVersion := "2.13.6"
+scalaVersion := "3.4.2"
 
-libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.10" % "test"
+libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.19" % Test
diff --git a/exercises/practice/accumulate/project/build.properties b/exercises/practice/accumulate/project/build.properties
@@ -0,0 +1 @@
+sbt.version=1.10.1
diff --git a/exercises/practice/acronym/build.sbt b/exercises/practice/acronym/build.sbt
@@ -1,3 +1,3 @@
-scalaVersion := "2.13.6"
+scalaVersion := "3.4.2"
 
-libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.10" % "test"
+libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.19" % Test
diff --git a/exercises/practice/acronym/project/build.properties b/exercises/practice/acronym/project/build.properties
@@ -0,0 +1 @@
+sbt.version=1.10.1
diff --git a/exercises/practice/all-your-base/build.sbt b/exercises/practice/all-your-base/build.sbt
@@ -1,3 +1,3 @@
-scalaVersion := "2.13.6"
+scalaVersion := "3.4.2"
 
-libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.10" % "test"
+libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.19" % Test
diff --git a/exercises/practice/all-your-base/project/build.properties b/exercises/practice/all-your-base/project/build.properties
@@ -0,0 +1 @@
+sbt.version=1.10.1
diff --git a/exercises/practice/allergies/build.sbt b/exercises/practice/allergies/build.sbt
@@ -1,3 +1,3 @@
-scalaVersion := "2.13.6"
+scalaVersion := "3.4.2"
 
-libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.10" % "test"
+libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.19" % Test
diff --git a/exercises/practice/allergies/project/build.properties b/exercises/practice/allergies/project/build.properties
@@ -0,0 +1 @@
+sbt.version=1.10.1
diff --git a/exercises/practice/alphametics/build.sbt b/exercises/practice/alphametics/build.sbt
@@ -1,4 +1,4 @@
-scalaVersion := "2.13.6"
+scalaVersion := "3.4.2"
 
-libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.10" % "test"
+libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.19" % Test
 libraryDependencies += "org.scala-lang.modules" %% "scala-parser-combinators" % "2.1.0"
diff --git a/exercises/practice/alphametics/project/build.properties b/exercises/practice/alphametics/project/build.properties
@@ -0,0 +1 @@
+sbt.version=1.10.1
diff --git a/exercises/practice/anagram/build.sbt b/exercises/practice/anagram/build.sbt
@@ -1,4 +1,4 @@
-scalaVersion := "2.13.6"
+scalaVersion := "3.4.2"
 
-libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.10" % "test"
+libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.19" % Test
 
diff --git a/exercises/practice/anagram/project/build.properties b/exercises/practice/anagram/project/build.properties
@@ -0,0 +1 @@
+sbt.version=1.10.1
diff --git a/exercises/practice/armstrong-numbers/build.sbt b/exercises/practice/armstrong-numbers/build.sbt
@@ -1,3 +1,3 @@
-scalaVersion := "2.13.6"
+scalaVersion := "3.4.2"
 
-libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.10" % "test"
+libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.19" % Test
diff --git a/exercises/practice/armstrong-numbers/project/build.properties b/exercises/practice/armstrong-numbers/project/build.properties
@@ -0,0 +1 @@
+sbt.version=1.10.1
diff --git a/exercises/practice/atbash-cipher/build.sbt b/exercises/practice/atbash-cipher/build.sbt
@@ -1,3 +1,3 @@
-scalaVersion := "2.13.6"
+scalaVersion := "3.4.2"
 
-libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.10" % "test"
+libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.19" % Test
diff --git a/exercises/practice/atbash-cipher/project/build.properties b/exercises/practice/atbash-cipher/project/build.properties
@@ -0,0 +1 @@
+sbt.version=1.10.1
diff --git a/exercises/practice/bank-account/build.sbt b/exercises/practice/bank-account/build.sbt
@@ -1,4 +1,4 @@
-scalaVersion := "2.13.6"
+scalaVersion := "3.4.2"
 
-libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.10" % "test"
+libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.19" % Test
 
diff --git a/exercises/practice/bank-account/project/build.properties b/exercises/practice/bank-account/project/build.properties
@@ -0,0 +1 @@
+sbt.version=1.10.1
diff --git a/exercises/practice/beer-song/build.sbt b/exercises/practice/beer-song/build.sbt
@@ -1,3 +1,3 @@
-scalaVersion := "2.13.6"
+scalaVersion := "3.4.2"
 
-libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.10" % "test"
+libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.19" % Test
diff --git a/exercises/practice/beer-song/project/build.properties b/exercises/practice/beer-song/project/build.properties
@@ -0,0 +1 @@
+sbt.version=1.10.1
diff --git a/exercises/practice/binary-search-tree/.meta/Example.scala b/exercises/practice/binary-search-tree/.meta/Example.scala
@@ -1,5 +1,7 @@
+import math.Ordered.orderingToOrdered
+
 case class Bst[+T](value: T, left: Option[Bst[T]], right: Option[Bst[T]]) {
-  def insert[U >: T <% Ordered[U]](x: U): Bst[U] = {
+  def insert[U >: T](x: U)(using Ordering[U]): Bst[U] = {
     def insert(x: U, node: Option[Bst[U]]): Option[Bst[U]] =
       node match {
         case Some(n) => Option(n.insert(x))
@@ -12,7 +14,7 @@ case class Bst[+T](value: T, left: Option[Bst[T]], right: Option[Bst[T]]) {
 }
 
 object Bst {
-  def fromList[T <% Ordered[T]](l: List[T]): Bst[T] = l match {
+  def fromList[T](l: List[T])(using Ordering[T]): Bst[T] = l match {
     case x::xs => xs.foldLeft(Bst(x, None, None))((r, e) => r.insert(e))
     case x::Nil => Bst(x, None, None)
     case Nil => throw new IllegalArgumentException("Tree must not be empty")
@@ -26,4 +28,4 @@ object Bst {
   }
 
   def apply[T](x: T): Bst[T] = Bst(x, None, None)
-}
+}
diff --git a/exercises/practice/binary-search-tree/build.sbt b/exercises/practice/binary-search-tree/build.sbt
@@ -1,3 +1,3 @@
-scalaVersion := "2.13.6"
+scalaVersion := "3.4.2"
 
-libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.10" % "test"
+libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.19" % Test
diff --git a/exercises/practice/binary-search-tree/project/build.properties b/exercises/practice/binary-search-tree/project/build.properties
@@ -0,0 +1 @@
+sbt.version=1.10.1
diff --git a/exercises/practice/binary-search/.meta/Example.scala b/exercises/practice/binary-search/.meta/Example.scala
@@ -1,4 +1,5 @@
 import scala.annotation.tailrec
+import scala.math.Ordered.orderingToOrdered
 
 object BinarySearch {
   def find[T](seq: Seq[T], value: T)(implicit ord: T => Ordered[T]): Option[Int]

diff --git a/exercises/practice/binary-search/build.sbt b/exercises/practice/binary-search/build.sbt
@@ -1,3 +1,3 @@
-scalaVersion := "2.13.6"
+scalaVersion := "3.4.2"
 
-libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.10" % "test"
+libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.19" % Test
diff --git a/exercises/practice/binary-search/project/build.properties b/exercises/practice/binary-search/project/build.properties
@@ -0,0 +1 @@
+sbt.version=1.10.1
diff --git a/exercises/practice/binary/build.sbt b/exercises/practice/binary/build.sbt
@@ -1,3 +1,3 @@
-scalaVersion := "2.13.6"
+scalaVersion := "3.4.2"
 
-libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.10" % "test"
+libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.19" % Test
diff --git a/exercises/practice/binary/project/build.properties b/exercises/practice/binary/project/build.properties
@@ -0,0 +1 @@
+sbt.version=1.10.1
diff --git a/exercises/practice/bob/build.sbt b/exercises/practice/bob/build.sbt
@@ -1,3 +1,3 @@
-scalaVersion := "2.13.6"
+scalaVersion := "3.4.2"
 
-libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.10" % "test"
+libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.19" % Test
diff --git a/exercises/practice/bob/project/build.properties b/exercises/practice/bob/project/build.properties
@@ -0,0 +1 @@
+sbt.version=1.10.1
diff --git a/exercises/practice/book-store/build.sbt b/exercises/practice/book-store/build.sbt
@@ -1,3 +1,3 @@
-scalaVersion := "2.13.6"
+scalaVersion := "3.4.2"
 
-libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.10" % "test"
+libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.19" % Test
diff --git a/exercises/practice/book-store/project/build.properties b/exercises/practice/book-store/project/build.properties
@@ -0,0 +1 @@
+sbt.version=1.10.1
diff --git a/exercises/practice/bowling/build.sbt b/exercises/practice/bowling/build.sbt
@@ -1,3 +1,3 @@
-scalaVersion := "2.13.6"
+scalaVersion := "3.4.2"
 
-libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.10" % "test"
+libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.19" % Test
diff --git a/exercises/practice/bowling/project/build.properties b/exercises/practice/bowling/project/build.properties
@@ -0,0 +1 @@
+sbt.version=1.10.1
diff --git a/exercises/practice/change/build.sbt b/exercises/practice/change/build.sbt
@@ -1,3 +1,3 @@
-scalaVersion := "2.13.6"
+scalaVersion := "3.4.2"
 
-libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.10" % "test"
+libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.19" % Test
diff --git a/exercises/practice/change/project/build.properties b/exercises/practice/change/project/build.properties
@@ -0,0 +1 @@
+sbt.version=1.10.1
diff --git a/exercises/practice/circular-buffer/build.sbt b/exercises/practice/circular-buffer/build.sbt
@@ -1,3 +1,3 @@
-scalaVersion := "2.13.6"
+scalaVersion := "3.4.2"
 
-libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.10" % "test"
+libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.19" % Test
diff --git a/exercises/practice/circular-buffer/project/build.properties b/exercises/practice/circular-buffer/project/build.properties
@@ -0,0 +1 @@
+sbt.version=1.10.1
diff --git a/exercises/practice/clock/build.sbt b/exercises/practice/clock/build.sbt
@@ -1,3 +1,3 @@
-scalaVersion := "2.13.6"
+scalaVersion := "3.4.2"
 
-libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.10" % "test"
+libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.19" % Test
diff --git a/exercises/practice/clock/project/build.properties b/exercises/practice/clock/project/build.properties
@@ -0,0 +1 @@
+sbt.version=1.10.1
diff --git a/exercises/practice/collatz-conjecture/build.sbt b/exercises/practice/collatz-conjecture/build.sbt
@@ -1,3 +1,3 @@
-scalaVersion := "2.13.6"
+scalaVersion := "3.4.2"
 
-libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.10" % "test"
+libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.19" % Test
diff --git a/exercises/practice/collatz-conjecture/project/build.properties b/exercises/practice/collatz-conjecture/project/build.properties
@@ -0,0 +1 @@
+sbt.version=1.10.1
diff --git a/exercises/practice/complex-numbers/build.sbt b/exercises/practice/complex-numbers/build.sbt
@@ -1,3 +1,3 @@
-scalaVersion := "2.13.6"
+scalaVersion := "3.4.2"
 
-libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.10" % "test"
+libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.19" % Test
diff --git a/exercises/practice/complex-numbers/project/build.properties b/exercises/practice/complex-numbers/project/build.properties
@@ -0,0 +1 @@
+sbt.version=1.10.1
diff --git a/exercises/practice/complex-numbers/src/test/scala/ComplexNumberTest.scala b/exercises/practice/complex-numbers/src/test/scala/ComplexNumberTest.scala
@@ -7,7 +7,7 @@ class ComplexNumberTest extends AnyFunSuite with Matchers {
 
   private val equalityEpsilon = 1e-15
 
-  private def assertEquals(c1: ComplexNumber, c2: ComplexNumber) {
+  private def assertEquals(c1: ComplexNumber, c2: ComplexNumber) = {
     c1.real should be (c2.real +- equalityEpsilon)
     c1.imaginary should be (c2.imaginary +- equalityEpsilon)
   }

diff --git a/exercises/practice/connect/build.sbt b/exercises/practice/connect/build.sbt
@@ -1,3 +1,3 @@
-scalaVersion := "2.13.6"
+scalaVersion := "3.4.2"
 
-libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.10" % "test"
+libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.19" % Test
diff --git a/exercises/practice/connect/project/build.properties b/exercises/practice/connect/project/build.properties
@@ -0,0 +1 @@
+sbt.version=1.10.1
diff --git a/exercises/practice/crypto-square/build.sbt b/exercises/practice/crypto-square/build.sbt
@@ -1,3 +1,3 @@
-scalaVersion := "2.13.6"
+scalaVersion := "3.4.2"
 
-libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.10" % "test"
+libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.19" % Test
diff --git a/exercises/practice/crypto-square/project/build.properties b/exercises/practice/crypto-square/project/build.properties
@@ -0,0 +1 @@
+sbt.version=1.10.1
diff --git a/exercises/practice/custom-set/build.sbt b/exercises/practice/custom-set/build.sbt
@@ -1,4 +1,4 @@
-scalaVersion := "2.13.6"
+scalaVersion := "3.4.2"
 
-libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.10" % "test"
+libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.19" % Test
 
diff --git a/exercises/practice/custom-set/project/build.properties b/exercises/practice/custom-set/project/build.properties
@@ -0,0 +1 @@
+sbt.version=1.10.1
diff --git a/exercises/practice/darts/build.sbt b/exercises/practice/darts/build.sbt
@@ -1,3 +1,3 @@
-scalaVersion := "2.13.6"
+scalaVersion := "3.4.2"
 
-libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.10" % "test"
+libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.19" % Test
diff --git a/exercises/practice/darts/project/build.properties b/exercises/practice/darts/project/build.properties
@@ -0,0 +1 @@
+sbt.version=1.10.1
diff --git a/exercises/practice/diamond/build.sbt b/exercises/practice/diamond/build.sbt
@@ -1,3 +1,3 @@
-scalaVersion := "2.13.6"
+scalaVersion := "3.4.2"
 
-libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.10" % "test"
+libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.19" % Test
diff --git a/exercises/practice/diamond/project/build.properties b/exercises/practice/diamond/project/build.properties
@@ -0,0 +1 @@
+sbt.version=1.10.1
diff --git a/exercises/practice/difference-of-squares/build.sbt b/exercises/practice/difference-of-squares/build.sbt
@@ -1,3 +1,3 @@
-scalaVersion := "2.13.6"
+scalaVersion := "3.4.2"
 
-libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.10" % "test"
+libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.19" % Test
diff --git a/exercises/practice/difference-of-squares/project/build.properties b/exercises/practice/difference-of-squares/project/build.properties
@@ -0,0 +1 @@
+sbt.version=1.10.1
diff --git a/exercises/practice/dominoes/build.sbt b/exercises/practice/dominoes/build.sbt
@@ -1,4 +1,4 @@
-scalaVersion := "2.13.6"
+scalaVersion := "3.4.2"
 
-libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.10" % "test"
+libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.19" % Test
 
diff --git a/exercises/practice/dominoes/project/build.properties b/exercises/practice/dominoes/project/build.properties
@@ -0,0 +1 @@
+sbt.version=1.10.1
diff --git a/exercises/practice/etl/build.sbt b/exercises/practice/etl/build.sbt
@@ -1,3 +1,3 @@
-scalaVersion := "2.13.6"
+scalaVersion := "3.4.2"
 
-libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.10" % "test"
+libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.19" % Test
diff --git a/exercises/practice/etl/project/build.properties b/exercises/practice/etl/project/build.properties
@@ -0,0 +1 @@
+sbt.version=1.10.1
diff --git a/exercises/practice/flatten-array/build.sbt b/exercises/practice/flatten-array/build.sbt
@@ -1,3 +1,3 @@
-scalaVersion := "2.13.6"
+scalaVersion := "3.4.2"
 
-libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.10" % "test"
+libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.19" % Test
diff --git a/exercises/practice/flatten-array/project/build.properties b/exercises/practice/flatten-array/project/build.properties
@@ -0,0 +1 @@
+sbt.version=1.10.1
diff --git a/exercises/practice/food-chain/build.sbt b/exercises/practice/food-chain/build.sbt
@@ -1,4 +1,4 @@
-scalaVersion := "2.13.6"
+scalaVersion := "3.4.2"
 
-libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.10" % "test"
+libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.19" % Test
 
diff --git a/exercises/practice/food-chain/project/build.properties b/exercises/practice/food-chain/project/build.properties
@@ -0,0 +1 @@
+sbt.version=1.10.1
diff --git a/exercises/practice/forth/build.sbt b/exercises/practice/forth/build.sbt
@@ -1,4 +1,4 @@
-scalaVersion := "2.13.6"
+scalaVersion := "3.4.2"
 
-libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.10" % "test"
+libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.19" % Test
 libraryDependencies += "org.scala-lang.modules" %% "scala-parser-combinators" % "2.1.0"
diff --git a/exercises/practice/forth/project/build.properties b/exercises/practice/forth/project/build.properties
@@ -0,0 +1 @@
+sbt.version=1.10.1
diff --git a/exercises/practice/gigasecond/build.sbt b/exercises/practice/gigasecond/build.sbt
@@ -1,3 +1,3 @@
-scalaVersion := "2.13.6"
+scalaVersion := "3.4.2"
 
-libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.10" % "test"
+libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.19" % Test
diff --git a/exercises/practice/gigasecond/project/build.properties b/exercises/practice/gigasecond/project/build.properties
@@ -0,0 +1 @@
+sbt.version=1.10.1
diff --git a/exercises/practice/grade-school/.meta/Example.scala b/exercises/practice/grade-school/.meta/Example.scala
@@ -7,7 +7,7 @@ class School {
 
   def db: DB = _db
 
-  def add(name: String, g: Int) {
+  def add(name: String, g: Int) = {
     _db = db.updated(g, grade(g) :+ name)
   }
 

diff --git a/exercises/practice/grade-school/build.sbt b/exercises/practice/grade-school/build.sbt
@@ -1,4 +1,4 @@
-scalaVersion := "2.13.6"
+scalaVersion := "3.4.2"
 
-libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.10" % "test"
+libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.19" % Test
 
diff --git a/exercises/practice/grade-school/project/build.properties b/exercises/practice/grade-school/project/build.properties
@@ -0,0 +1 @@
+sbt.version=1.10.1
diff --git a/exercises/practice/grains/build.sbt b/exercises/practice/grains/build.sbt
@@ -1,3 +1,3 @@
-scalaVersion := "2.13.6"
+scalaVersion := "3.4.2"
 
-libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.10" % "test"
+libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.19" % Test
diff --git a/exercises/practice/grains/project/build.properties b/exercises/practice/grains/project/build.properties
@@ -0,0 +1 @@
+sbt.version=1.10.1