Migrate to Scala 3.9.0 LTS

.scala-steward.conf

@@ -3,5 +3,5 @@ updates.ignore = [
   {groupId = "org.scala-lang", artifactId = "scala-compiler", version = "2.13."},
 ]
 updates.pin = [
-  {groupId = "org.scala-lang", artifactId = "scala3-library", version = "3.3."}
+  {groupId = "org.scala-lang", artifactId = "scala3-library", version = "3.9."}
 ]

build.sbt

@@ -4,7 +4,7 @@ import com.softwaremill.UpdateVersionInDocs
 
 val scala212 = "2.12.21"
 val scala213 = "2.13.18"
-val scala3 = "3.3.8"
+val scala3 = "3.9.0"
 
 val scalaIdeaVersion = scala3 // the version for which to import sources into intellij
 

quicklens/src/main/scala-3/com/softwaremill/quicklens/QuicklensMacros.scala

@@ -77,10 +77,10 @@ object QuicklensMacros {
           symbols.toPathTree
         case (PathTree.Node(children), (symbol :: Nil)) =>
           PathTree.Node {
-            if children.find(_._1 equiv symbol).isEmpty then children :+ (symbol -> Seq(PathTree.Empty))
+            if children.find(_._1.equiv(symbol)).isEmpty then children :+ (symbol -> Seq(PathTree.Empty))
             else
               children.map {
-                case (sym, trees) if sym equiv symbol =>
+                case (sym, trees) if sym.equiv(symbol) =>
                   sym -> (trees :+ PathTree.Empty)
                 case c => c
               }
@@ -89,10 +89,10 @@ object QuicklensMacros {
           this
         case (PathTree.Node(children), (symbol :: tail)) =>
           PathTree.Node {
-            if children.find(_._1 equiv symbol).isEmpty then children :+ (symbol -> Seq(tail.toPathTree))
+            if children.find(_._1.equiv(symbol)).isEmpty then children :+ (symbol -> Seq(tail.toPathTree))
             else
               children.map {
-                case (sym, trees) if sym equiv symbol =>
+                case (sym, trees) if sym.equiv(symbol) =>
                   sym -> (trees.init ++ {
                     trees.last match
                       case PathTree.Empty => Seq(PathTree.Empty, tail.toPathTree)

quicklens/src/test/scala/com/softwaremill/quicklens/LensLazyTest.scala

@@ -16,7 +16,7 @@ class LensLazyTest extends AnyFlatSpec with Matchers {
     val lens_a1_a3 = modifyLens[A1](_.a2.a3)
     val lens_a3_name = modifyLens[A3](_.a4.a5.name)
 
-    val lm = (lens_a1_a3 andThenModify lens_a3_name).using(duplicate)
+    val lm = lens_a1_a3.andThenModify(lens_a3_name).using(duplicate)
     lm(a1) should be(a1dup)
   }
 }

quicklens/src/test/scala/com/softwaremill/quicklens/LensTest.scala

@@ -15,6 +15,6 @@ class LensTest extends AnyFlatSpec with Matchers {
     val lens_a1_a3 = modify(_: A1)(_.a2.a3)
     val lens_a3_name = modify(_: A3)(_.a4.a5.name)
 
-    (lens_a1_a3 andThenModify lens_a3_name)(a1).using(duplicate) should be(a1dup)
+    lens_a1_a3.andThenModify(lens_a3_name)(a1).using(duplicate) should be(a1dup)
   }
 }

quicklens/src/test/scala/com/softwaremill/quicklens/SecondParamListTest.scala

@@ -12,9 +12,8 @@ class SecondParamListTest extends AnyFlatSpec with Matchers {
 
     val d: Double = 1.0
 
-    val state1 = State(true)(d)
-
     implicit val dd: Double = d
+    val state1 = State(true)
     val state2 = state1.modify(_.inside).setTo(true)
 
     state1 should be(state2)