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pointfreeco · Nov 6, 2023 · b4f0360 · b4f0360
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diff --git a/...observation-pt4/ObservationExplorations/ObservationExplorations.xcodeproj/project.pbxproj b/...observation-pt4/ObservationExplorations/ObservationExplorations.xcodeproj/project.pbxproj
diff --git a/...plorations/ObservationExplorations.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/...plorations/ObservationExplorations.xcodeproj/project.xcworkspace/contents.xcworkspacedata
diff --git a/...servationExplorations.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist b/...servationExplorations.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>
diff --git a/...ObservationExplorations.xcodeproj/xcshareddata/xcschemes/ObservationExplorations.xcscheme b/...ObservationExplorations.xcodeproj/xcshareddata/xcschemes/ObservationExplorations.xcscheme
@@ -0,0 +1,106 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "1500"
+   version = "1.7">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "2AD14E1B2ACDC3EC0015EB20"
+               BuildableName = "ObservationExplorations.app"
+               BlueprintName = "ObservationExplorations"
+               ReferencedContainer = "container:ObservationExplorations.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES">
+      <TestPlans>
+         <TestPlanReference
+            reference = "container:ObservationExplorationsTests/ObservationExplorations.xctestplan"
+            default = "YES">
+         </TestPlanReference>
+      </TestPlans>
+      <Testables>
+         <TestableReference
+            skipped = "NO"
+            parallelizable = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "2AD14E2B2ACDC3ED0015EB20"
+               BuildableName = "ObservationExplorationsTests.xctest"
+               BlueprintName = "ObservationExplorationsTests"
+               ReferencedContainer = "container:ObservationExplorations.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
+         <TestableReference
+            skipped = "NO"
+            parallelizable = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "2AD14E352ACDC3ED0015EB20"
+               BuildableName = "ObservationExplorationsUITests.xctest"
+               BlueprintName = "ObservationExplorationsUITests"
+               ReferencedContainer = "container:ObservationExplorations.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
+      </Testables>
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "2AD14E1B2ACDC3EC0015EB20"
+            BuildableName = "ObservationExplorations.app"
+            BlueprintName = "ObservationExplorations"
+            ReferencedContainer = "container:ObservationExplorations.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Release"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "2AD14E1B2ACDC3EC0015EB20"
+            BuildableName = "ObservationExplorations.app"
+            BlueprintName = "ObservationExplorations"
+            ReferencedContainer = "container:ObservationExplorations.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>
diff --git a/0255-observation-pt4/ObservationExplorations/ObservationExplorations/AppView.swift b/0255-observation-pt4/ObservationExplorations/ObservationExplorations/AppView.swift
@@ -0,0 +1,44 @@
+import SwiftUI
+
+@Observable
+class AppModel {
+  let tab1 = CounterModel()
+  let tab2 = CounterModel()
+  let tab3 = ListModel()
+}
+
+struct AppView: View {
+  let model: AppModel
+
+  var body: some View {
+    let _ = Self._printChanges()
+
+    TabView {
+      NavigationStack {
+        CounterView(model: self.model.tab1)
+          .navigationTitle(Text("Counter 1"))
+      }
+      .badge(self.model.tab1.count)
+      .tabItem { Text("Counter 1") }
+
+      NavigationStack {
+        CounterView(model: self.model.tab2)
+          .navigationTitle(Text("Counter 2"))
+      }
+      .badge(self.model.tab2.count)
+      .tabItem { Text("Counter 2") }
+
+      NavigationStack {
+        ListView(model: self.model.tab3)
+          .navigationTitle(Text("Counter 3"))
+      }
+      //.badge(self.model.tab3.counters.count)
+      .badge(self.model.tab3.counters.first?.count ?? 0)
+      .tabItem { Text("Counter 3") }
+    }
+  }
+}
+
+#Preview {
+  AppView(model: AppModel())
+}
diff --git a/...vation-pt4/ObservationExplorations/ObservationExplorations/AppView_ObservableObject.swift b/...vation-pt4/ObservationExplorations/ObservationExplorations/AppView_ObservableObject.swift
@@ -0,0 +1,59 @@
+import Combine
+import SwiftUI
+
+class AppModel_ObservableObject: ObservableObject {
+  @Published var tab1 = CounterModel_ObservableObject()
+  @Published var tab2 = CounterModel_ObservableObject()
+  @Published var tab3 = CounterModel_ObservableObject()
+
+  private var cancellables: Set<AnyCancellable> = []
+
+  init() {
+    self.tab1.$count.sink { [weak self] _ in
+      self?.objectWillChange.send()
+    }
+    .store(in: &self.cancellables)
+    self.tab2.objectWillChange.sink { [weak self] in
+      self?.objectWillChange.send()
+    }
+    .store(in: &self.cancellables)
+    self.tab3.objectWillChange.sink { [weak self] in
+      self?.objectWillChange.send()
+    }
+    .store(in: &self.cancellables)
+  }
+}
+
+struct AppView_ObservableObject: View {
+  @ObservedObject var model: AppModel_ObservableObject
+
+
+  var body: some View {
+    let _ = Self._printChanges()
+
+    TabView {
+      NavigationStack {
+        CounterView_ObservableObject(model: self.model.tab1)
+          .navigationTitle(Text("Counter 1"))
+      }
+      .badge(self.model.tab1.count)
+      .tabItem { Text("Counter 1") }
+
+      NavigationStack {
+        CounterView_ObservableObject(model: self.model.tab2)
+          .navigationTitle(Text("Counter 2"))
+      }
+      .tabItem { Text("Counter 2") }
+
+      NavigationStack {
+        CounterView_ObservableObject(model: self.model.tab3)
+          .navigationTitle(Text("Counter 3"))
+      }
+      .tabItem { Text("Counter 3") }
+    }
+  }
+}
+
+#Preview {
+  AppView_ObservableObject(model: AppModel_ObservableObject())
+}
diff --git a/...onExplorations/ObservationExplorations/Assets.xcassets/AccentColor.colorset/Contents.json b/...onExplorations/ObservationExplorations/Assets.xcassets/AccentColor.colorset/Contents.json
@@ -0,0 +1,11 @@
+{
+  "colors" : [
+    {
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}
diff --git a/...tionExplorations/ObservationExplorations/Assets.xcassets/AppIcon.appiconset/Contents.json b/...tionExplorations/ObservationExplorations/Assets.xcassets/AppIcon.appiconset/Contents.json
@@ -0,0 +1,13 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "platform" : "ios",
+      "size" : "1024x1024"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}
diff --git a/...rvation-pt4/ObservationExplorations/ObservationExplorations/Assets.xcassets/Contents.json b/...rvation-pt4/ObservationExplorations/ObservationExplorations/Assets.xcassets/Contents.json
@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}