Throw an error if can't parse default-config

AeroSpace.xcodeproj/project.pbxproj

@@ -41,6 +41,7 @@
 		93D44EA41776738B4758C28D /* util.swift in Sources */ = {isa = PBXBuildFile; fileRef = 976540EBEACF846D598CD6E1 /* util.swift */; };
 		9A138A729245BD2723148583 /* focused.swift in Sources */ = {isa = PBXBuildFile; fileRef = D61FE8B343B068F0FFFC2373 /* focused.swift */; };
 		9D34BD7DE311254BF52F5EA2 /* testUtil.swift in Sources */ = {isa = PBXBuildFile; fileRef = F77C03164B8BFD1E59779C6E /* testUtil.swift */; };
+		9FF829BA48F9AE6E46D8467C /* ScopeFunctions.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4D113ECDD9173131C0C89630 /* ScopeFunctions.swift */; };
 		A0765C31043BCFB0420BF1C9 /* parseConfig.swift in Sources */ = {isa = PBXBuildFile; fileRef = 67DBAF4ECF8A0B931FC34EAD /* parseConfig.swift */; };
 		A2CBF9674964F9083BB198D2 /* ArrayEx.swift in Sources */ = {isa = PBXBuildFile; fileRef = 883D7F7F87FBE7D0BDE4E87F /* ArrayEx.swift */; };
 		A55F31B0CC357B37108B8F54 /* MoveContainerToWorkspaceCommandTest.swift in Sources */ = {isa = PBXBuildFile; fileRef = 7DBD002C4A68AED07BB63EFA /* MoveContainerToWorkspaceCommandTest.swift */; };
@@ -96,6 +97,7 @@
 		3C2E5977331398421A4FC168 /* GlobalObserver.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = GlobalObserver.swift; sourceTree = "<group>"; };
 		43DD32B1711B8EFCC834B68E /* WorkspaceCommand.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = WorkspaceCommand.swift; sourceTree = "<group>"; };
 		4B0CD3C2A0E86CDB9DF312AB /* ModeCommand.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ModeCommand.swift; sourceTree = "<group>"; };
+		4D113ECDD9173131C0C89630 /* ScopeFunctions.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ScopeFunctions.swift; sourceTree = "<group>"; };
 		51CE37C1B8D858C81A396F40 /* CollectionEx.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CollectionEx.swift; sourceTree = "<group>"; };
 		526B113159987FA43EA41120 /* refresh.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = refresh.swift; sourceTree = "<group>"; };
 		5274C575044C2A7123C57584 /* AeroSpace-Tests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = "AeroSpace-Tests.xctest"; sourceTree = BUILT_PRODUCTS_DIR; };
@@ -315,6 +317,7 @@
 				AF3BB3DD434C75536217CB88 /* NSScreenEx.swift */,
 				A9EDFD4A9F45182CA6E0BD7B /* OptionalEx.swift */,
 				28B788A95DD3C267878E05B5 /* Rect.swift */,
+				4D113ECDD9173131C0C89630 /* ScopeFunctions.swift */,
 				AAE5DCAEC5EE619CE33859E7 /* SequenceEx.swift */,
 				976540EBEACF846D598CD6E1 /* util.swift */,
 				381743262EB4D8AB365235C8 /* Writer.swift */,
@@ -462,6 +465,7 @@
 				78EE0CEF814ABDBA67941B84 /* Rect.swift in Sources */,
 				FC35D6D0A678CC802972C6FE /* ReloadConfigCommand.swift in Sources */,
 				D24D02B1FD87424B908986AF /* ResizeCommand.swift in Sources */,
+				9FF829BA48F9AE6E46D8467C /* ScopeFunctions.swift in Sources */,
 				AE76A183D0454E4C8ADCE380 /* SequenceEx.swift in Sources */,
 				E5682579AEC6B84CF6FCE90D /* TilingContainer.swift in Sources */,
 				56E72B24303F5F337B31B776 /* TrayMenuModel.swift in Sources */,

src/config/Config.swift

@@ -2,10 +2,16 @@ import HotKey
 
 let mainModeId = "main" // todo rename to "default"
 let defaultConfig =
-    parseConfig(try! String(contentsOf: Bundle.main.url(forResource: "default-config", withExtension: "toml")!)).value
+    parseConfig(try! String(contentsOf: Bundle.main.url(forResource: "default-config", withExtension: "toml")!))
+        .also {
+            if !$0.log.isEmpty {
+                error("Can't parse default config: \($0)")
+            }
+        }
+        .value
 var config: Config = defaultConfig
 
-struct Config {
+struct Config: ScopeFunctions {
     var afterStartupCommand: Command
     var afterLoginCommand: Command
     var usePaddingForNestedContainersWithTheSameOrientation: Bool // todo

src/util/ScopeFunctions.swift

@@ -0,0 +1,18 @@
+protocol ScopeFunctions {}
+
+extension ScopeFunctions {
+    @discardableResult
+    func apply(_ block: (Self) -> Void) -> Self {
+        block(self)
+        return self
+    }
+
+    @discardableResult
+    func also(_ block: (Self) -> Void) -> Self {
+        block(self)
+        return self
+    }
+}
+
+extension TreeNode: ScopeFunctions {}
+extension Writer: ScopeFunctions {}

test/command/FlattenWorkspaceTreeCommandTest.swift

@@ -7,7 +7,7 @@ final class FlattenWorkspaceTreeCommandTest: XCTestCase {
 
     func testSimple() async {
         let workspace = Workspace.get(byName: name).apply {
-            ($0 as! Workspace).rootTilingContainer.apply {
+            $0.rootTilingContainer.apply {
                 TestWindow(id: 1, parent: $0).focus()
                 TilingContainer.newHList(parent: $0, adaptiveWeight: 1).apply {
                     TestWindow(id: 2, parent: $0)

test/command/MoveThroughCommandTest.swift

@@ -105,7 +105,7 @@ final class MoveThroughCommandTest: XCTestCase {
 
     func testCreateImplicitContainer() async {
         let workspace = Workspace.get(byName: name).apply { // Don't cache root
-            ($0 as! Workspace).rootTilingContainer.apply {
+            $0.rootTilingContainer.apply {
                 TestWindow(id: 1, parent: $0)
                 TestWindow(id: 2, parent: $0).focus()
                 TestWindow(id: 3, parent: $0)

test/testUtil.swift

@@ -37,11 +37,3 @@ func tearDownWorkspacesForTests() {
         }
     }
 }
-
-extension TreeNode {
-    @discardableResult
-    func apply(_ block: (Self) -> Void) -> Self {
-        block(self)
-        return self
-    }
-}