Support Scala3 (#474)

* Prepare build for Scala 3
* Migrate tokenizer
* Setup cross version compatibility between Scala 2/3
* Migrate ValueColumnImpl
* Migrate valueToStatement
* Migrate ToParameterListImpl.caseClass
* Migrate ToParameterListImpl.sealedTrait
* Migration SealedRowParserImpl
* Migration RowParserImpl

.github/workflows/build-test.yml

@@ -28,7 +28,7 @@ jobs:
     uses: playframework/.github/.github/workflows/cmd.yml@v2
     with:
       java: 11, 8
-      scala: 2.11.12, 2.12.16, 2.13.8
+      scala: 2.11.12, 2.12.16, 2.13.8 # TODO: 3.1.3 (other play modules not ok)
       cmd: sbt ++$MATRIX_SCALA docs/test
 
   tests:
@@ -40,8 +40,8 @@ jobs:
     uses: playframework/.github/.github/workflows/cmd.yml@v2
     with:
       java: 11, 8
-      scala: 2.11.12, 2.12.16, 2.13.8
-      cmd: sbt ++$MATRIX_SCALA publishLocal test # scapegoat
+      scala: 2.11.12, 2.12.16, 2.13.8, 3.1.3
+      cmd: sbt ++$MATRIX_SCALA publishLocal test
 
   finish:
     name: Finish

.scalafix.conf

@@ -12,7 +12,7 @@ OrganizeImports {
     "re:javax?\\.",
     "scala.language", "scala.util", "scala.collection",
     "scala.",
-    "akka.",
+    "akka.actor", "akka.stream", "akka.",
     "play.",
     "resource.",
     "acolyte.",

.scalafmt.conf

@@ -1,4 +1,8 @@
-runner.dialect = scala213
+version = 3.5.8
+
+runner.dialect = Scala213Source3
+project.layout = StandardConvention
+
 align.preset = true
 assumeStandardLibraryStripMargin = true
 danglingParentheses.preset = true
@@ -10,5 +14,10 @@ rewrite.rules = [ AvoidInfix, RedundantParens, SortModifiers, PreferCurlyFors ]
 rewrite.sortModifiers.order = [ "private", "protected", "final", "sealed", "abstract", "implicit", "override", "lazy" ]
 spaces.inImportCurlyBraces = true   # more idiomatic to include whitepsace in import x.{ yyy }
 trailingCommas = preserve
+
 newlines.afterCurlyLambda = preserve
-version = 3.5.9
+newlines.beforeCurlyLambdaParams = multilineWithCaseOnly
+
+literals.long=Upper
+literals.float=Upper
+literals.double=Upper

akka/src/test/scala/anorm/AkkaStreamSpec.scala

@@ -7,21 +7,26 @@ import scala.collection.immutable.Seq
 import scala.concurrent.Future
 import scala.concurrent.duration._
 
+import akka.actor.ActorSystem
+
+import akka.stream.Materializer
 import akka.stream.scaladsl.{ Keep, Sink, Source }
 
-import acolyte.jdbc.QueryResult
 import acolyte.jdbc.AcolyteDSL.withQueryResult
 import acolyte.jdbc.Implicits._
+import acolyte.jdbc.QueryResult
 import acolyte.jdbc.RowLists.stringList
 
 import org.specs2.concurrent.ExecutionEnv
 
 final class AkkaStreamSpec(implicit ee: ExecutionEnv) extends org.specs2.mutable.Specification {
 
-  "Akka Stream" title
+  "Akka Stream".title
+
+  implicit lazy val system: ActorSystem = ActorSystem("anorm-tests")
 
-  implicit lazy val system  = akka.actor.ActorSystem("knox-core-tests")
-  implicit def materializer = akka.stream.ActorMaterializer.create(system)
+  implicit def materializer: Materializer =
+    akka.stream.ActorMaterializer.create(system)
 
   // Akka-Contrib issue with Akka-Stream > 2.5.4
   // import akka.stream.contrib.TestKit.assertAllStagesStopped
@@ -66,8 +71,9 @@ final class AkkaStreamSpec(implicit ee: ExecutionEnv) extends org.specs2.mutable
 
       "on success" in assertAllStagesStopped {
         withQueryResult(stringList :+ "A" :+ "B" :+ "C") { implicit con =>
-          runAsync(Sink.seq[String]) must beLike[ResultSet] { case rs =>
-            (rs.isClosed must beTrue).and(rs.getStatement.isClosed must beTrue).and(con.isClosed must beFalse)
+          runAsync(Sink.seq[String]) must beLike[ResultSet] {
+            case rs =>
+              (rs.isClosed must beTrue).and(rs.getStatement.isClosed must beTrue).and(con.isClosed must beFalse)
           }.await(0, 5.seconds)
         }
       }