Fix compiler error in tutorial.

Package.resolved

@@ -5,8 +5,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/pointfreeco/combine-schedulers",
       "state" : {
-        "revision" : "0625932976b3ae23949f6b816d13bd97f3b40b7c",
-        "version" : "0.10.0"
+        "revision" : "ec62f32d21584214a4b27c8cee2b2ad70ab2c38a",
+        "version" : "0.11.0"
       }
     },
     {
@@ -41,8 +41,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/pointfreeco/swift-clocks",
       "state" : {
-        "revision" : "f9acfa1a45f4483fe0f2c434a74e6f68f865d12d",
-        "version" : "0.3.0"
+        "revision" : "0fbaebfc013715dab44d715a4d350ba37f297e4d",
+        "version" : "0.4.0"
       }
     },
     {
@@ -54,22 +54,31 @@
         "version" : "1.0.4"
       }
     },
+    {
+      "identity" : "swift-concurrency-extras",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/pointfreeco/swift-concurrency-extras",
+      "state" : {
+        "revision" : "479750bd98fac2e813fffcf2af0728b5b0085795",
+        "version" : "0.1.1"
+      }
+    },
     {
       "identity" : "swift-custom-dump",
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/pointfreeco/swift-custom-dump",
       "state" : {
-        "revision" : "505aa98716275fbd045d8f934fee3337c82ffbd3",
-        "version" : "0.10.3"
+        "revision" : "4a87bb75be70c983a9548597e8783236feb3401e",
+        "version" : "0.11.1"
       }
     },
     {
       "identity" : "swift-dependencies",
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/pointfreeco/swift-dependencies",
       "state" : {
-        "revision" : "de1a984a71e51f6e488e98ce3652035563eb8acb",
-        "version" : "0.5.1"
+        "revision" : "16fd42ae04c6e7f74a6a86395d04722c641cccee",
+        "version" : "0.6.0"
       }
     },
     {
@@ -104,8 +113,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/pointfreeco/swiftui-navigation",
       "state" : {
-        "revision" : "db81007362f998654239021ca9308a264e59d3e2",
-        "version" : "0.7.2"
+        "revision" : "2aa885e719087ee19df251c08a5980ad3e787f12",
+        "version" : "0.8.0"
       }
     },
     {

Sources/ComposableArchitecture/Documentation.docc/Tutorials/MeetTheComposableArchitecture/02-Navigation/02-MultipleDestinations/02-02-02-code-0012.swift

@@ -30,16 +30,17 @@ struct ContactsFeature: Reducer {
         state.contacts.remove(id: id)
         return .none
 
+      case .destination:
+        return .none
+
       case let .deleteButtonTapped(id: id):
-        state.destination = .alert(
-          AlertState {
-            TextState("Are you sure?")
-          } actions: {
-            ButtonState(role: .destructive, action: .confirmDeletion(id: id)) {
-              TextState("Delete")
-            }
+        state.alert = AlertState {
+          TextState("Are you sure?")
+        } actions: {
+          ButtonState(role: .destructive, action: .confirmDeletion(id: id)) {
+            TextState("Delete")
           }
-        )
+        }
         return .none
       }
     }

Sources/ComposableArchitecture/Documentation.docc/Tutorials/MeetTheComposableArchitecture/02-Navigation/02-MultipleDestinations/02-02-02-code-0013.swift

@@ -30,6 +30,9 @@ struct ContactsFeature: Reducer {
         state.contacts.remove(id: id)
         return .none
 
+      case .destination:
+        return .none
+
       case let .deleteButtonTapped(id: id):
         state.destination = .alert(
           AlertState {
@@ -43,8 +46,9 @@ struct ContactsFeature: Reducer {
         return .none
       }
     }
-    .ifLet(\.$destination, action: /Action.destination) {
-      Destination()
+    .ifLet(\.$addContact, action: /Action.addContact) {
+      AddContactFeature()
     }
+    .ifLet(\.$alert, action: /Action.alert)
   }
 }

Sources/ComposableArchitecture/Documentation.docc/Tutorials/MeetTheComposableArchitecture/02-Navigation/02-MultipleDestinations/02-02-02-code-0014.swift

@@ -1,48 +1,53 @@
-struct ContentView: View {
-  let store: StoreOf<ContactsFeature>
+struct ContactsFeature: Reducer {
+  struct State: Equatable {
+    var contacts: IdentifiedArrayOf<Contact> = []
+    @PresentationState var destination: Destination.State?
+  }
+  enum Action: Equatable {
+    case addButtonTapped
+    case deleteButtonTapped(id: Contact.ID)
+    case destination(PresentationAction<Destination.Action>)
+    enum Alert: Equatable {
+      case confirmDeletion(id: Contact.ID)
+    }
+  }
+  var body: some ReducerOf<Self> {
+    Reduce { state, action in
+      switch action {
+      case .addButtonTapped:
+        state.destination = .addContact(
+          AddContactFeature.State(
+            contact: Contact(id: UUID(), name: "")
+          )
+        )
+        return .none
 
-  var body: some View {
-    NavigationStack {
-      WithViewStore(self.store, observe: \.contacts) { viewStore in
-        List {
-          ForEach(viewStore.state) { contact in
-            HStack {
-              Text(contact.name)
-              Spacer()
-              Button {
-                viewStore.send(.deleteButtonTapped(id: contact.id))
-              } label: {
-                Image(systemName: "trash")
-                  .foregroundColor(.red)
-              }
-            }
-          }
-        }
-        .navigationTitle("Contacts")
-        .toolbar {
-          ToolbarItem {
-            Button {
-              viewStore.send(.addButtonTapped)
-            } label: {
-              Image(systemName: "plus")
+      case let .destination(.presented(.addContact(.delegate(.saveContact(contact))))):
+        state.contacts.append(contact)
+        return .none
+
+      case let .destination(.presented(.alert(.confirmDeletion(id: id)))):
+        state.contacts.remove(id: id)
+        return .none
+
+      case .destination:
+        return .none
+
+      case let .deleteButtonTapped(id: id):
+        state.destination = .alert(
+          AlertState {
+            TextState("Are you sure?")
+          } actions: {
+            ButtonState(role: .destructive, action: .confirmDeletion(id: id)) {
+              TextState("Delete")
             }
           }
-        }
+        )
+        return .none
       }
     }
-    .sheet(
-      store: self.store.scope(state: \.$destination, action: { .destination($0) }),
-      state: ,
-      action:
-    ) { addContactStore in
-      NavigationStack {
-        AddContactView(store: addContactStore)
-      }
+    .ifLet(\.$destination, action: /Action.destination) {
+      Destination()
     }
-    .alert(
-      store: self.store.scope(state: \.$destination, action: { .destination($0) }),
-      state: ,
-      action:
-    )
   }
 }

Sources/ComposableArchitecture/Documentation.docc/Tutorials/MeetTheComposableArchitecture/02-Navigation/02-MultipleDestinations/02-02-02-code-0015.swift

@@ -32,7 +32,7 @@ struct ContentView: View {
     }
     .sheet(
       store: self.store.scope(state: \.$destination, action: { .destination($0) }),
-      state: /ContactsFeature.Destination.State.addContact,
+      state: ,
       action:
     ) { addContactStore in
       NavigationStack {

Sources/ComposableArchitecture/Documentation.docc/Tutorials/MeetTheComposableArchitecture/02-Navigation/02-MultipleDestinations/02-02-02-code-0016.swift

@@ -33,7 +33,7 @@ struct ContentView: View {
     .sheet(
       store: self.store.scope(state: \.$destination, action: { .destination($0) }),
       state: /ContactsFeature.Destination.State.addContact,
-      action: ContactsFeature.Destination.Action.addContact
+      action:
     ) { addContactStore in
       NavigationStack {
         AddContactView(store: addContactStore)

Sources/ComposableArchitecture/Documentation.docc/Tutorials/MeetTheComposableArchitecture/02-Navigation/02-MultipleDestinations/02-02-02-code-0017.swift

@@ -41,8 +41,8 @@ struct ContentView: View {
     }
     .alert(
       store: self.store.scope(state: \.$destination, action: { .destination($0) }),
-      state: /ContactsFeature.Destination.State.alert,
-      action: ContactsFeature.Destination.Action.alert
+      state: ,
+      action:
     )
   }
 }

Sources/ComposableArchitecture/Documentation.docc/Tutorials/MeetTheComposableArchitecture/02-Navigation/02-MultipleDestinations/02-02-02-code-0018.swift

@@ -0,0 +1,48 @@
+struct ContentView: View {
+  let store: StoreOf<ContactsFeature>
+
+  var body: some View {
+    NavigationStack {
+      WithViewStore(self.store, observe: \.contacts) { viewStore in
+        List {
+          ForEach(viewStore.state) { contact in
+            HStack {
+              Text(contact.name)
+              Spacer()
+              Button {
+                viewStore.send(.deleteButtonTapped(id: contact.id))
+              } label: {
+                Image(systemName: "trash")
+                  .foregroundColor(.red)
+              }
+            }
+          }
+        }
+        .navigationTitle("Contacts")
+        .toolbar {
+          ToolbarItem {
+            Button {
+              viewStore.send(.addButtonTapped)
+            } label: {
+              Image(systemName: "plus")
+            }
+          }
+        }
+      }
+    }
+    .sheet(
+      store: self.store.scope(state: \.$destination, action: { .destination($0) }),
+      state: /ContactsFeature.Destination.State.addContact,
+      action: ContactsFeature.Destination.Action.addContact
+    ) { addContactStore in
+      NavigationStack {
+        AddContactView(store: addContactStore)
+      }
+    }
+    .alert(
+      store: self.store.scope(state: \.$destination, action: { .destination($0) }),
+      state: /ContactsFeature.Destination.State.alert,
+      action: ContactsFeature.Destination.Action.alert
+    )
+  }
+}

Sources/ComposableArchitecture/Documentation.docc/Tutorials/MeetTheComposableArchitecture/02-Navigation/02-MultipleDestinations/02-02-MultipleDestinations.tutorial

@@ -206,18 +206,25 @@
         @Code(name: "ContactsFeatures.swift", file: 02-02-02-code-0011)
       }
 
+      @Step {
+        We can handle all other destination actions by simply returning a `.none` effect to 
+        represent there is no other work to perform.
+
+        @Code(name: "ContactsFeatures.swift", file: 02-02-02-code-0012)
+      }
+
       @Step {
         Update the state mutation for showing an alert to instead point the `destination` to the
         `alert` case.
 
-        @Code(name: "ContactsFeatures.swift", file: 02-02-02-code-0012)
+        @Code(name: "ContactsFeatures.swift", file: 02-02-02-code-0013)
       }
 
       @Step {
         Replace the two `ifLet`s that were used at the bottom of the reducer with a single one that
         runs the `Destination` reducer whenever the `destination` state is non-`nil`.
 
-        @Code(name: "ContactsFeatures.swift", file: 02-02-02-code-0013)
+        @Code(name: "ContactsFeatures.swift", file: 02-02-02-code-0014)
       }
 
       That's all it takes to convert two independent, imprecisely modeled optional values into a 
@@ -231,29 +238,29 @@
         `Destination.State` enum, and an action transformation for embedding a child action into
         a particular case of the `Destination.Action` enum.
 
-        @Code(name: "ContactsFeatures.swift", file: 02-02-02-code-0014, previousFile: 02-02-02-code-0014-previous)
+        @Code(name: "ContactsFeatures.swift", file: 02-02-02-code-0015, previousFile: 02-02-02-code-0015-previous)
       }
 
       @Step {
         The state transformation is responsible for taking a piece of `Destination.State`, which
         is an enum, and extracting a particular case from it. We can do this by using a case path
         derived from the `addContact` case.
 
-        @Code(name: "ContactsFeatures.swift", file: 02-02-02-code-0015)
+        @Code(name: "ContactsFeatures.swift", file: 02-02-02-code-0016)
       }
 
       @Step {
         The action transformation is responsible for taking a child action in the 
         `AddContactFeature` domain and embedding it into the `Destination.Action` enum. This can
         be done by using the case of the enum as a function.
 
-        @Code(name: "ContactsFeatures.swift", file: 02-02-02-code-0016)
+        @Code(name: "ContactsFeatures.swift", file: 02-02-02-code-0017)
       }
 
       @Step {
         The same can be done for the `alert(store:)` view modifier.
 
-        @Code(name: "ContactsFeatures.swift", file: 02-02-02-code-0017)
+        @Code(name: "ContactsFeatures.swift", file: 02-02-02-code-0018)
       }
 
       That completes the refactor of the reducer and view to use a single piece of optional enum