Fix "Arrow is redundant when parameter list is empty"

And other issues that ktlint now reports

features/home/impl/src/main/kotlin/io/element/android/features/home/impl/HomeFlowNode.kt

@@ -87,8 +87,10 @@ class HomeFlowNode(
                 analyticsService.screen(MobileScreen(screenName = MobileScreen.ScreenName.Home))
             }
         )
-        whenChildAttached { commonLifecycle: Lifecycle,
-                            changeRoomMemberRolesNode: ChangeRoomMemberRolesEntryPoint.NodeProxy ->
+        whenChildAttached {
+            commonLifecycle: Lifecycle,
+            changeRoomMemberRolesNode: ChangeRoomMemberRolesEntryPoint.NodeProxy,
+            ->
             commonLifecycle.coroutineScope.launch {
                 changeRoomMemberRolesNode.waitForRoleChanged()
                 withContext(NonCancellable) {

features/invite/impl/src/test/kotlin/io/element/android/features/invite/impl/DefaultDeclineInviteTest.kt

@@ -34,14 +34,14 @@ class DefaultDeclineInviteTest {
     private val notificationCleaner =
         FakeNotificationCleaner(clearMembershipNotificationForRoomLambda = clearMembershipNotificationForRoomLambda)
 
-    private val successLeaveRoomLambda = lambdaRecorder<Result<Unit>> { -> Result.success(Unit) }
+    private val successLeaveRoomLambda = lambdaRecorder<Result<Unit>> { Result.success(Unit) }
     private val successIgnoreUserLambda =
         lambdaRecorder<UserId, Result<Unit>> { _ -> Result.success(Unit) }
     private val successReportRoomLambda =
         lambdaRecorder<String?, Result<Unit>> { _ -> Result.success(Unit) }
 
     private val failureLeaveRoomLambda =
-        lambdaRecorder<Result<Unit>> { -> Result.failure(Exception("Leave room error")) }
+        lambdaRecorder<Result<Unit>> { Result.failure(Exception("Leave room error")) }
     private val failureIgnoreUserLambda =
         lambdaRecorder<UserId, Result<Unit>> { _ -> Result.failure(Exception("Ignore user error")) }
     private val failureReportRoomLambda =

features/reportroom/impl/src/test/kotlin/io/element/android/features/reportroom/impl/DefaultReportRoomTest.kt

@@ -19,12 +19,12 @@ import org.junit.Test
 
 class DefaultReportRoomTest {
     private val roomId = A_ROOM_ID
-    private val successLeaveRoomLambda = lambdaRecorder<Result<Unit>> { -> Result.success(Unit) }
+    private val successLeaveRoomLambda = lambdaRecorder<Result<Unit>> { Result.success(Unit) }
     private val successReportRoomLambda =
         lambdaRecorder<String?, Result<Unit>> { _ -> Result.success(Unit) }
 
     private val failureLeaveRoomLambda =
-        lambdaRecorder<Result<Unit>> { -> Result.failure(Exception("Leave room error")) }
+        lambdaRecorder<Result<Unit>> { Result.failure(Exception("Leave room error")) }
     private val failureReportRoomLambda =
         lambdaRecorder<String?, Result<Unit>> { _ -> Result.failure(Exception("Report room error")) }
 

features/roomdetails/impl/src/main/kotlin/io/element/android/features/roomdetails/impl/RoomDetailsFlowNode.kt

@@ -148,9 +148,11 @@ class RoomDetailsFlowNode(
 
     override fun onBuilt() {
         super.onBuilt()
-        whenChildrenAttached { commonLifecycle: Lifecycle,
-                               roomDetailsNode: RoomDetailsNode,
-                               changeRoomMemberRolesNode: ChangeRoomMemberRolesEntryPoint.NodeProxy ->
+        whenChildrenAttached {
+            commonLifecycle: Lifecycle,
+            roomDetailsNode: RoomDetailsNode,
+            changeRoomMemberRolesNode: ChangeRoomMemberRolesEntryPoint.NodeProxy,
+            ->
             commonLifecycle.coroutineScope.launch {
                 changeRoomMemberRolesNode.waitForRoleChanged()
                 withContext(NonCancellable) {

features/roomdirectory/impl/src/test/kotlin/io/element/android/features/roomdirectory/impl/root/RoomDirectoryPresenterTest.kt

@@ -105,9 +105,7 @@ class RoomDirectoryPresenterTest {
 
     @Test
     fun `present - emit load more event`() = runTest {
-        val loadMoreLambda = lambdaRecorder { ->
-            Result.success(Unit)
-        }
+        val loadMoreLambda = lambdaRecorder<Result<Unit>> { Result.success(Unit) }
         val roomDirectoryList = FakeRoomDirectoryList(loadMoreLambda = loadMoreLambda)
         val roomDirectoryService = FakeRoomDirectoryService { roomDirectoryList }
         val presenter = createRoomDirectoryPresenter(roomDirectoryService = roomDirectoryService)

libraries/designsystem/src/main/kotlin/io/element/android/libraries/designsystem/components/media/WaveFormSamples.kt

@@ -14,6 +14,7 @@ import kotlinx.collections.immutable.toPersistentList
 object WaveFormSamples {
     val allRangeWaveForm = List(100) { it.toFloat() / 100 }.toImmutableList()
 
+    @Suppress("ktlint:standard:argument-list-wrapping")
     val realisticWaveForm = persistentListOf(
         0.000f, 0.000f, 0.000f, 0.003f, 0.354f,
         0.353f, 0.365f, 0.790f, 0.787f, 0.167f,

libraries/maplibre-compose/src/main/kotlin/io/element/android/libraries/maplibre/compose/MapLibreMap.kt

@@ -71,10 +71,7 @@ public fun MapLibreMap(
     uiSettings: MapUiSettings = DefaultMapUiSettings,
     symbolManagerSettings: MapSymbolManagerSettings = DefaultMapSymbolManagerSettings,
     locationSettings: MapLocationSettings = DefaultMapLocationSettings,
-    content: (
-        @Composable @MapLibreMapComposable
-        () -> Unit
-    )? = null,
+    content: (@Composable @MapLibreMapComposable () -> Unit)? = null,
 ) {
     // When in preview, early return a Box with the received modifier preserving layout
     if (LocalInspectionMode.current) {

libraries/matrix/impl/src/main/kotlin/io/element/android/libraries/matrix/impl/timeline/RustTimeline.kt

@@ -207,10 +207,12 @@ class RustTimeline(
         backwardPaginationStatus,
         forwardPaginationStatus,
         joinedRoom.roomInfoFlow.map { it.creators to it.isDm }.distinctUntilChanged(),
-    ) { timelineItems,
+    ) {
+        timelineItems,
         backwardPaginationStatus,
         forwardPaginationStatus,
-        (roomCreators, isDm) ->
+        (roomCreators, isDm),
+        ->
         withContext(dispatcher) {
             timelineItems
                 .let { items ->

libraries/push/impl/src/test/kotlin/io/element/android/libraries/push/impl/notifications/fake/FakeNotificationCreator.kt

@@ -34,7 +34,7 @@ class FakeNotificationCreator(
     var createFallbackNotificationResult: LambdaOneParamRecorder<FallbackNotifiableEvent, Notification> = lambdaRecorder { _ -> A_NOTIFICATION },
     var createSummaryListNotificationResult: LambdaFourParamsRecorder<MatrixUser, String, Boolean, Long, Notification> =
         lambdaRecorder { _, _, _, _ -> A_NOTIFICATION },
-    var createDiagnosticNotificationResult: LambdaNoParamRecorder<Notification> = lambdaRecorder { -> A_NOTIFICATION },
+    var createDiagnosticNotificationResult: LambdaNoParamRecorder<Notification> = lambdaRecorder<Notification> { A_NOTIFICATION },
 ) : NotificationCreator {
     override suspend fun createMessagesListNotification(
         roomInfo: RoomEventGroupInfo,

libraries/voiceplayer/impl/src/test/kotlin/io/element/android/libraries/voiceplayer/impl/DefaultVoiceMessagePlayerTest.kt

@@ -114,7 +114,8 @@ class DefaultVoiceMessagePlayerTest {
             assertThat(player1.prepare().isSuccess).isTrue()
             matchReadyState(1_000L)
             player1.play()
-            awaitItem().let { // it plays until the end.
+            awaitItem().let {
+                // it plays until the end.
                 assertThat(it.isReady).isFalse()
                 assertThat(it.isPlaying).isFalse()
                 assertThat(it.isEnded).isTrue()
@@ -127,14 +128,16 @@ class DefaultVoiceMessagePlayerTest {
         player2.state.test {
             matchInitialState()
             assertThat(player2.prepare().isSuccess).isTrue()
-            awaitItem().let { // Additional spurious state due to MediaPlayer owner change.
+            awaitItem().let {
+                // Additional spurious state due to MediaPlayer owner change.
                 assertThat(it.isReady).isFalse()
                 assertThat(it.isPlaying).isFalse()
                 assertThat(it.isEnded).isTrue()
                 assertThat(it.currentPosition).isEqualTo(1000)
                 assertThat(it.duration).isEqualTo(1000)
             }
-            awaitItem().let { // Additional spurious state due to MediaPlayer owner change.
+            awaitItem().let {
+                // Additional spurious state due to MediaPlayer owner change.
                 assertThat(it.isReady).isFalse()
                 assertThat(it.isPlaying).isFalse()
                 assertThat(it.isEnded).isFalse()
@@ -143,7 +146,8 @@ class DefaultVoiceMessagePlayerTest {
             }
             matchReadyState(1_000L)
             player2.play()
-            awaitItem().let { // it plays until the end.
+            awaitItem().let {
+                // it plays until the end.
                 assertThat(it.isReady).isFalse()
                 assertThat(it.isPlaying).isFalse()
                 assertThat(it.isEnded).isTrue()
@@ -154,7 +158,8 @@ class DefaultVoiceMessagePlayerTest {
 
         // Play player1 again.
         player1.state.test {
-            awaitItem().let { // Last previous state/
+            awaitItem().let {
+                // Last previous state/
                 assertThat(it.isReady).isFalse()
                 assertThat(it.isPlaying).isFalse()
                 assertThat(it.isEnded).isTrue()
@@ -162,7 +167,8 @@ class DefaultVoiceMessagePlayerTest {
                 assertThat(it.duration).isEqualTo(1000)
             }
             assertThat(player1.prepare().isSuccess).isTrue()
-            awaitItem().let { // Additional spurious state due to MediaPlayer owner change.
+            awaitItem().let {
+                // Additional spurious state due to MediaPlayer owner change.
                 assertThat(it.isReady).isFalse()
                 assertThat(it.isPlaying).isFalse()
                 assertThat(it.isEnded).isFalse()
@@ -171,7 +177,8 @@ class DefaultVoiceMessagePlayerTest {
             }
             matchReadyState(1_000L)
             player1.play()
-            awaitItem().let { // it played again until the end.
+            awaitItem().let {
+                // it played again until the end.
                 assertThat(it.isReady).isFalse()
                 assertThat(it.isPlaying).isFalse()
                 assertThat(it.isEnded).isTrue()
@@ -189,7 +196,8 @@ class DefaultVoiceMessagePlayerTest {
             assertThat(player.prepare().isSuccess).isTrue()
             matchReadyState()
             player.play()
-            skipItems(1) // skip play state
+            // skip play state
+            skipItems(1)
             player.pause()
             awaitItem().let {
                 assertThat(it.isPlaying).isFalse()
@@ -206,9 +214,11 @@ class DefaultVoiceMessagePlayerTest {
             assertThat(player.prepare().isSuccess).isTrue()
             matchReadyState()
             player.play()
-            skipItems(1) // skip play state
+            // skip play state
+            skipItems(1)
             player.pause()
-            skipItems(1) // skip pause state
+            // skip pause state
+            skipItems(1)
             player.play()
             awaitItem().let {
                 assertThat(it.isPlaying).isTrue()