Add public Store.send and Store.withValue (#2222)

stephencelis · web-flow · commit daf41b337053 · 2023-06-28T09:32:32.000-07:00
diff --git a/Examples/CaseStudies/SwiftUICaseStudies/00-RootView.swift b/Examples/CaseStudies/SwiftUICaseStudies/00-RootView.swift
@@ -285,7 +285,7 @@ struct RootView: View {
         }
       }
       .navigationTitle("Case Studies")
-      .onAppear { ViewStore(self.store).send(.onAppear) }
+      .onAppear { self.store.send(.onAppear) }
     }
   }
 }
diff --git a/Examples/CaseStudies/SwiftUICaseStudies/03-NavigationStack.swift b/Examples/CaseStudies/SwiftUICaseStudies/03-NavigationStack.swift
@@ -112,7 +112,7 @@ struct NavigationDemoView: View {
 
         Section {
           Button("Go to A → B → C") {
-            ViewStore(self.store.stateless).send(.goToABCButtonTapped)
+            self.store.send(.goToABCButtonTapped)
           }
         }
       }
@@ -364,7 +364,7 @@ struct ScreenBView: View {
   let store: StoreOf<ScreenB>
 
   var body: some View {
-    WithViewStore(self.store) { viewStore in
+    WithViewStore(self.store, observe: { $0 }) { viewStore in
       Form {
         Section {
           Text(
diff --git a/Examples/CaseStudies/UIKitCaseStudies/CounterViewController.swift b/Examples/CaseStudies/UIKitCaseStudies/CounterViewController.swift
@@ -31,7 +31,7 @@ final class CounterViewController: UIViewController {
   private var cancellables: Set<AnyCancellable> = []
 
   init(store: StoreOf<Counter>) {
-    self.viewStore = ViewStore(store)
+    self.viewStore = ViewStore(store, observe: { $0 })
     super.init(nibName: nil, bundle: nil)
   }
 
diff --git a/Examples/CaseStudies/UIKitCaseStudies/ListsOfState.swift b/Examples/CaseStudies/UIKitCaseStudies/ListsOfState.swift
@@ -29,7 +29,7 @@ final class CountersTableViewController: UITableViewController {
 
   init(store: StoreOf<CounterList>) {
     self.store = store
-    self.viewStore = ViewStore(store)
+    self.viewStore = ViewStore(store, observe: { $0 })
     super.init(nibName: nil, bundle: nil)
   }
 
diff --git a/Examples/CaseStudies/UIKitCaseStudies/LoadThenNavigate.swift b/Examples/CaseStudies/UIKitCaseStudies/LoadThenNavigate.swift
@@ -59,7 +59,7 @@ class LazyNavigationViewController: UIViewController {
 
   init(store: StoreOf<LazyNavigation>) {
     self.store = store
-    self.viewStore = ViewStore(store)
+    self.viewStore = ViewStore(store, observe: { $0 })
     super.init(nibName: nil, bundle: nil)
   }
 
diff --git a/Examples/CaseStudies/UIKitCaseStudies/NavigateAndLoad.swift b/Examples/CaseStudies/UIKitCaseStudies/NavigateAndLoad.swift
@@ -55,7 +55,7 @@ class EagerNavigationViewController: UIViewController {
 
   init(store: StoreOf<EagerNavigation>) {
     self.store = store
-    self.viewStore = ViewStore(store)
+    self.viewStore = ViewStore(store, observe: { $0 })
     super.init(nibName: nil, bundle: nil)
   }
 
diff --git a/Examples/Integration/Integration/BindingLocalTestCase.swift b/Examples/Integration/Integration/BindingLocalTestCase.swift
@@ -88,17 +88,17 @@ struct BindingLocalTestCaseView: View {
     NavigationStackStore(self.store.scope(state: \.path, action: { .path($0) })) {
       VStack {
         Button("Full-screen-cover") {
-          ViewStore(self.store.stateless).send(.fullScreenCoverButtonTapped)
+          self.store.send(.fullScreenCoverButtonTapped)
         }
         Button("Navigation destination") {
-          ViewStore(self.store.stateless).send(.navigationDestinationButtonTapped)
+          self.store.send(.navigationDestinationButtonTapped)
         }
         NavigationLink("Path", state: Child.State())
         Button("Popover") {
-          ViewStore(self.store.stateless).send(.popoverButtonTapped)
+          self.store.send(.popoverButtonTapped)
         }
         Button("Sheet") {
-          ViewStore(self.store.stateless).send(.sheetButtonTapped)
+          self.store.send(.sheetButtonTapped)
         }
       }
       .fullScreenCover(
diff --git a/Examples/Integration/Integration/NavigationStackBindingTestCase.swift b/Examples/Integration/Integration/NavigationStackBindingTestCase.swift
@@ -31,7 +31,7 @@ struct NavigationStackBindingTestCaseView: View {
   }
 
   var body: some View {
-    WithViewStore(store) { viewStore in
+    WithViewStore(self.store) { viewStore in
       NavigationStack(
         path: viewStore.binding(
           get: \.path,
diff --git a/Examples/Integration/Integration/PresentationItemTestCase.swift b/Examples/Integration/Integration/PresentationItemTestCase.swift
@@ -72,10 +72,10 @@ struct PresentationItemTestCaseView: View {
   @ViewBuilder
   var core: some View {
     Button("Child A") {
-      ViewStore(self.store.stateless).send(.childAButtonTapped)
+      self.store.send(.childAButtonTapped)
     }
     Button("Child B") {
-      ViewStore(self.store.stateless).send(.childBButtonTapped)
+      self.store.send(.childBButtonTapped)
     }
   }
 
@@ -97,7 +97,7 @@ struct PresentationItemTestCaseView: View {
             ) { store in
               Text("Child A")
               Button("Swap") {
-                ViewStore(store.stateless).send(.swapButtonTapped)
+                store.send(.swapButtonTapped)
               }
             }
           case .childB:
@@ -107,7 +107,7 @@ struct PresentationItemTestCaseView: View {
             ) { store in
               Text("Child B")
               Button("Swap") {
-                ViewStore(store.stateless).send(.swapButtonTapped)
+                store.send(.swapButtonTapped)
               }
             }
           }
@@ -125,7 +125,7 @@ struct PresentationItemTestCaseView: View {
         ) { store in
           Text("Child A")
           Button("Swap") {
-            ViewStore(store.stateless).send(.swapButtonTapped)
+            store.send(.swapButtonTapped)
           }
         }
         .sheet(
@@ -135,7 +135,7 @@ struct PresentationItemTestCaseView: View {
         ) { store in
           Text("Child B")
           Button("Swap") {
-            ViewStore(store.stateless).send(.swapButtonTapped)
+            store.send(.swapButtonTapped)
           }
         }
     }
diff --git a/Examples/Integration/Integration/SwitchStoreTestCase.swift b/Examples/Integration/Integration/SwitchStoreTestCase.swift
@@ -60,9 +60,7 @@ struct SwitchStoreTestCaseView: View {
   }
 
   var body: some View {
-    WithViewStore(store.stateless) { viewStore in
-      Button("Swap") { viewStore.send(.swap) }
-    }
+    Button("Swap") { self.store.send(.swap) }
     SwitchStore(self.store) {
       switch $0 {
       case .screenA:
diff --git a/README.md b/README.md
@@ -245,7 +245,7 @@ SwiftUI version, so we have collapsed it here:
     var cancellables: Set<AnyCancellable> = []
 
     init(store: StoreOf<Feature>) {
-      self.viewStore = ViewStore(store)
+      self.viewStore = ViewStore(store, observe: { $0 })
       super.init(nibName: nil, bundle: nil)
     }
 
diff --git a/Sources/ComposableArchitecture/Documentation.docc/Articles/GettingStarted.md b/Sources/ComposableArchitecture/Documentation.docc/Articles/GettingStarted.md
@@ -184,7 +184,7 @@ class FeatureViewController: UIViewController {
   var cancellables: Set<AnyCancellable> = []
 
   init(store: StoreOf<Feature>) {
-    self.viewStore = ViewStore(store)
+    self.viewStore = ViewStore(store, observe: { $0 })
     super.init(nibName: nil, bundle: nil)
   }
 
diff --git a/Sources/ComposableArchitecture/Internal/Deprecations.swift b/Sources/ComposableArchitecture/Internal/Deprecations.swift
@@ -5,6 +5,18 @@ import XCTestDynamicOverlay
 
 // MARK: - Deprecated after 0.54.1
 
+extension WithViewStore where ViewState == Void, Content: View {
+  @available(*, deprecated, message: "Use 'store.send(action)' directly on the 'Store' instead.")
+  public init(
+    _ store: Store<ViewState, ViewAction>,
+    @ViewBuilder content: @escaping (ViewStore<ViewState, ViewAction>) -> Content,
+    file: StaticString = #fileID,
+    line: UInt = #line
+  ) {
+    self.init(store, removeDuplicates: ==, content: content, file: file, line: line)
+  }
+}
+
 extension EffectPublisher {
   @available(*, deprecated, message: "Use 'Effect.merge([.cancel(id: …), …])' instead.")
   public static func cancel(ids: [AnyHashable]) -> Self {
@@ -851,7 +863,7 @@ extension Store {
         let childStore = Store<ChildState, ChildAction>(
           initialState: childState,
           reducer: .init { childState, childAction, _ in
-            let task = self.send(fromChildAction(childAction))
+            let task = self.send(fromChildAction(childAction), originatingFrom: nil)
             childState = extractChildState(self.state.value) ?? childState
             if let task = task {
               return .run { _ in await task.cancellableValue }
diff --git a/Sources/ComposableArchitecture/Store.swift b/Sources/ComposableArchitecture/Store.swift
@@ -167,6 +167,32 @@ public final class Store<State, Action> {
     }
   }
 
+  /// Calls the given closure with the current state of the store.
+  ///
+  /// A lightweight way of accessing store state when no view store is available and state does not
+  /// need to be observed, _e.g._ by a SwiftUI view. If a view store is available, prefer
+  /// ``ViewStore/state-swift.property``.
+  ///
+  /// - Parameter body: A closure that takes the current state of the store as its sole argument. If
+  ///   the closure has a return value, that value is also used as the return value of the
+  ///   `withState` method. The state argument reflects the current state of the store only for the
+  ///   duration of the closure's execution, and is not observable over time, _e.g._ by SwiftUI. If
+  ///   you want to observe store state in a view, use a ``ViewStore`` instead.
+  /// - Returns: The return value, if any, of the `body` closure.
+  public func withState<R>(_ body: (State) -> R) -> R {
+    body(self.state.value)
+  }
+
+  /// Sends an action to the store.
+  ///
+  /// A lightweight way to send actions to the store when no view store is available. If a view
+  /// store is available, prefer ``ViewStore/send(_:)``.
+  ///
+  /// - Parameter action: An action.
+  public func send(_ action: Action) {
+    _ = self.send(action, originatingFrom: nil)
+  }
+
   /// Scopes the store to one that exposes child state and actions.
   ///
   /// This can be useful for deriving new stores to hand to child views in an application. For
@@ -371,9 +397,10 @@ public final class Store<State, Action> {
     return store
   }
 
-  @_spi(Internals) public func send(
+  @_spi(Internals)
+  public func send(
     _ action: Action,
-    originatingFrom originatingAction: Action? = nil
+    originatingFrom originatingAction: Action?
   ) -> Task<Void, Never>? {
     self.threadCheck(status: .send(action, originatingAction: originatingAction))
 
@@ -692,7 +719,10 @@ private final class ScopedReducer<
       state = self.toScopedState(self.rootStore.state.value)
       self.isSending = false
     }
-    if let action = self.fromScopedAction(state, action), let task = self.rootStore.send(action) {
+    if
+      let action = self.fromScopedAction(state, action),
+      let task = self.rootStore.send(action, originatingFrom: nil)
+    {
       return .run { _ in await task.cancellableValue }
     } else {
       return .none
diff --git a/Sources/ComposableArchitecture/SwiftUI/WithViewStore.swift b/Sources/ComposableArchitecture/SwiftUI/WithViewStore.swift
@@ -17,7 +17,7 @@ import SwiftUI
 ///
 ///   init(store: StoreOf<Profile>) {
 ///     self.store = store
-///     self.viewStore = ViewStore(store)
+///     self.viewStore = ViewStore(store, observe: { $0 })
 ///   }
 ///
 ///   var body: some View {
@@ -683,43 +683,6 @@ extension WithViewStore where ViewState: Equatable, Content: View {
   }
 }
 
-extension WithViewStore where ViewState == Void, Content: View {
-  /// Initializes a structure that transforms a store into an observable view store in order to
-  /// compute views from void store state.
-  ///
-  /// - Parameters:
-  ///   - store: A store of equatable state.
-  ///   - content: A function that can generate content from a view store.
-  @available(
-    iOS,
-    deprecated: 9999,
-    message: "Use 'ViewStore(store).send(action)' instead of observing stateless stores."
-  )
-  @available(
-    macOS,
-    deprecated: 9999,
-    message: "Use 'ViewStore(store).send(action)' instead of observing stateless stores."
-  )
-  @available(
-    tvOS,
-    deprecated: 9999,
-    message: "Use 'ViewStore(store).send(action)' instead of observing stateless stores."
-  )
-  @available(
-    watchOS,
-    deprecated: 9999,
-    message: "Use 'ViewStore(store).send(action)' instead of observing stateless stores."
-  )
-  public init(
-    _ store: Store<ViewState, ViewAction>,
-    @ViewBuilder content: @escaping (ViewStore<ViewState, ViewAction>) -> Content,
-    file: StaticString = #fileID,
-    line: UInt = #line
-  ) {
-    self.init(store, removeDuplicates: ==, content: content, file: file, line: line)
-  }
-}
-
 extension WithViewStore: DynamicViewContent
 where
   ViewState: Collection,
diff --git a/Sources/ComposableArchitecture/TestStore.swift b/Sources/ComposableArchitecture/TestStore.swift
@@ -1101,8 +1101,10 @@ extension TestStore where ScopedState: Equatable {
     let expectedState = self.toScopedState(self.state)
     let previousState = self.reducer.state
     let previousStackElementID = self.reducer.dependencies.stackElementID.incrementingCopy()
-    let task = self.store
-      .send(.init(origin: .send(self.fromScopedAction(action)), file: file, line: line))
+    let task = self.store.send(
+      .init(origin: .send(self.fromScopedAction(action)), file: file, line: line),
+      originatingFrom: nil
+    )
     for await _ in self.reducer.effectDidSubscribe.stream {
       break
     }
@@ -1254,8 +1256,10 @@ extension TestStore where ScopedState: Equatable {
 
     let expectedState = self.toScopedState(self.state)
     let previousState = self.state
-    let task = self.store
-      .send(.init(origin: .send(self.fromScopedAction(action)), file: file, line: line))
+    let task = self.store.send(
+      .init(origin: .send(self.fromScopedAction(action)), file: file, line: line),
+      originatingFrom: nil
+    )
     do {
       let currentState = self.state
       self.reducer.state = previousState
diff --git a/Sources/ComposableArchitecture/ViewStore.swift b/Sources/ComposableArchitecture/ViewStore.swift
@@ -41,7 +41,7 @@ import SwiftUI
 ///
 /// init(store: Store<State, Action>) {
 ///   self.store = store
-///   self.viewStore = ViewStore(store)
+///   self.viewStore = ViewStore(store, observe: { $0 })
 /// }
 ///
 /// func viewDidLoad() {
@@ -91,7 +91,7 @@ public final class ViewStore<ViewState, ViewAction>: ObservableObject {
     observe toViewState: @escaping (State) -> ViewState,
     removeDuplicates isDuplicate: @escaping (ViewState, ViewState) -> Bool
   ) {
-    self._send = { store.send($0) }
+    self._send = { store.send($0, originatingFrom: nil) }
     self._state = CurrentValueRelay(toViewState(store.state.value))
     self._isInvalidated = store._isInvalidated
     self.viewCancellable = store.state
@@ -125,7 +125,7 @@ public final class ViewStore<ViewState, ViewAction>: ObservableObject {
     send fromViewAction: @escaping (ViewAction) -> Action,
     removeDuplicates isDuplicate: @escaping (ViewState, ViewState) -> Bool
   ) {
-    self._send = { store.send(fromViewAction($0)) }
+    self._send = { store.send(fromViewAction($0), originatingFrom: nil) }
     self._state = CurrentValueRelay(toViewState(store.state.value))
     self._isInvalidated = store._isInvalidated
     self.viewCancellable = store.state
@@ -203,7 +203,7 @@ public final class ViewStore<ViewState, ViewAction>: ObservableObject {
     _ store: Store<ViewState, ViewAction>,
     removeDuplicates isDuplicate: @escaping (ViewState, ViewState) -> Bool
   ) {
-    self._send = { store.send($0) }
+    self._send = { store.send($0, originatingFrom: nil) }
     self._state = CurrentValueRelay(store.state.value)
     self._isInvalidated = store._isInvalidated
     self.viewCancellable = store.state
diff --git a/Sources/swift-composable-architecture-benchmark/StoreScope.swift b/Sources/swift-composable-architecture-benchmark/StoreScope.swift
@@ -17,10 +17,10 @@ private struct Counter: ReducerProtocol {
 
 let storeScopeSuite = BenchmarkSuite(name: "Store scoping") { suite in
   var store = Store(initialState: 0) { Counter() }
-  var viewStores: [ViewStore<Int, Bool>] = [ViewStore(store)]
+  var viewStores: [ViewStore<Int, Bool>] = [ViewStore(store, observe: { $0 })]
   for _ in 1...4 {
     store = store.scope(state: { $0 }, action: { $0 })
-    viewStores.append(ViewStore(store))
+    viewStores.append(ViewStore(store, observe: { $0 }))
   }
   let lastViewStore = viewStores.last!
 
diff --git a/Sources/swift-composable-architecture-benchmark/ViewStore.swift b/Sources/swift-composable-architecture-benchmark/ViewStore.swift
@@ -6,8 +6,12 @@ import Foundation
 let viewStoreSuite = BenchmarkSuite(name: "ViewStore") {
   let store = Store<Int, Void>(initialState: 0) {}
 
+  $0.benchmark("Send action to store") {
+    doNotOptimizeAway(store.send(()))
+  }
+
   $0.benchmark("Create view store to send action") {
-    doNotOptimizeAway(ViewStore(store).send(()))
+    doNotOptimizeAway(ViewStore(store, observe: { $0 }).send(()))
   }
 
   let viewStore = ViewStore(store)
diff --git a/Tests/ComposableArchitectureTests/RuntimeWarningTests.swift b/Tests/ComposableArchitectureTests/RuntimeWarningTests.swift
diff --git a/Tests/ComposableArchitectureTests/StoreTests.swift b/Tests/ComposableArchitectureTests/StoreTests.swift

Original file line number	Diff line number	Diff line change
`@@ -285,7 +285,7 @@ struct RootView: View {`
`285`	`285`	`}`
`286`	`286`	`}`
`287`	`287`	`.navigationTitle("Case Studies")`
`288`		`- .onAppear { ViewStore(self.store).send(.onAppear) }`
	`288`	`+ .onAppear { self.store.send(.onAppear) }`
`289`	`289`	`}`
`290`	`290`	`}`
`291`	`291`	`}`
Original file line number	Diff line number	Diff line change
`@@ -112,7 +112,7 @@ struct NavigationDemoView: View {`
`112`	`112`
`113`	`113`	`Section {`
`114`	`114`	`Button("Go to A → B → C") {`
`115`		`- ViewStore(self.store.stateless).send(.goToABCButtonTapped)`
	`115`	`+ self.store.send(.goToABCButtonTapped)`
`116`	`116`	`}`
`117`	`117`	`}`
`118`	`118`	`}`
`@@ -364,7 +364,7 @@ struct ScreenBView: View {`
`364`	`364`	`let store: StoreOf<ScreenB>`
`365`	`365`
`366`	`366`	`var body: some View {`
`367`		`- WithViewStore(self.store) { viewStore in`
	`367`	`+ WithViewStore(self.store, observe: { $0 }) { viewStore in`
`368`	`368`	`Form {`
`369`	`369`	`Section {`
`370`	`370`	`Text(`
Original file line number	Diff line number	Diff line change
`@@ -31,7 +31,7 @@ final class CounterViewController: UIViewController {`
`31`	`31`	`private var cancellables: Set<AnyCancellable> = []`
`32`	`32`
`33`	`33`	`init(store: StoreOf<Counter>) {`
`34`		`- self.viewStore = ViewStore(store)`
	`34`	`+ self.viewStore = ViewStore(store, observe: { $0 })`
`35`	`35`	`super.init(nibName: nil, bundle: nil)`
`36`	`36`	`}`
`37`	`37`
Original file line number	Diff line number	Diff line change
`@@ -29,7 +29,7 @@ final class CountersTableViewController: UITableViewController {`
`29`	`29`
`30`	`30`	`init(store: StoreOf<CounterList>) {`
`31`	`31`	`self.store = store`
`32`		`- self.viewStore = ViewStore(store)`
	`32`	`+ self.viewStore = ViewStore(store, observe: { $0 })`
`33`	`33`	`super.init(nibName: nil, bundle: nil)`
`34`	`34`	`}`
`35`	`35`
Original file line number	Diff line number	Diff line change
`@@ -59,7 +59,7 @@ class LazyNavigationViewController: UIViewController {`
`59`	`59`
`60`	`60`	`init(store: StoreOf<LazyNavigation>) {`
`61`	`61`	`self.store = store`
`62`		`- self.viewStore = ViewStore(store)`
	`62`	`+ self.viewStore = ViewStore(store, observe: { $0 })`
`63`	`63`	`super.init(nibName: nil, bundle: nil)`
`64`	`64`	`}`
`65`	`65`
Original file line number	Diff line number	Diff line change
`@@ -55,7 +55,7 @@ class EagerNavigationViewController: UIViewController {`
`55`	`55`
`56`	`56`	`init(store: StoreOf<EagerNavigation>) {`
`57`	`57`	`self.store = store`
`58`		`- self.viewStore = ViewStore(store)`
	`58`	`+ self.viewStore = ViewStore(store, observe: { $0 })`
`59`	`59`	`super.init(nibName: nil, bundle: nil)`
`60`	`60`	`}`
`61`	`61`
Original file line number	Diff line number	Diff line change
`@@ -88,17 +88,17 @@ struct BindingLocalTestCaseView: View {`
`88`	`88`	`NavigationStackStore(self.store.scope(state: \.path, action: { .path($0) })) {`
`89`	`89`	`VStack {`
`90`	`90`	`Button("Full-screen-cover") {`
`91`		`- ViewStore(self.store.stateless).send(.fullScreenCoverButtonTapped)`
	`91`	`+ self.store.send(.fullScreenCoverButtonTapped)`
`92`	`92`	`}`
`93`	`93`	`Button("Navigation destination") {`
`94`		`- ViewStore(self.store.stateless).send(.navigationDestinationButtonTapped)`
	`94`	`+ self.store.send(.navigationDestinationButtonTapped)`
`95`	`95`	`}`
`96`	`96`	`NavigationLink("Path", state: Child.State())`
`97`	`97`	`Button("Popover") {`
`98`		`- ViewStore(self.store.stateless).send(.popoverButtonTapped)`
	`98`	`+ self.store.send(.popoverButtonTapped)`
`99`	`99`	`}`
`100`	`100`	`Button("Sheet") {`
`101`		`- ViewStore(self.store.stateless).send(.sheetButtonTapped)`
	`101`	`+ self.store.send(.sheetButtonTapped)`
`102`	`102`	`}`
`103`	`103`	`}`
`104`	`104`	`.fullScreenCover(`
Original file line number	Diff line number	Diff line change
`@@ -31,7 +31,7 @@ struct NavigationStackBindingTestCaseView: View {`
`31`	`31`	`}`
`32`	`32`
`33`	`33`	`var body: some View {`
`34`		`- WithViewStore(store) { viewStore in`
	`34`	`+ WithViewStore(self.store) { viewStore in`
`35`	`35`	`NavigationStack(`
`36`	`36`	`path: viewStore.binding(`
`37`	`37`	`get: \.path,`
Original file line number	Diff line number	Diff line change
`@@ -72,10 +72,10 @@ struct PresentationItemTestCaseView: View {`
`72`	`72`	`@ViewBuilder`
`73`	`73`	`var core: some View {`
`74`	`74`	`Button("Child A") {`
`75`		`- ViewStore(self.store.stateless).send(.childAButtonTapped)`
	`75`	`+ self.store.send(.childAButtonTapped)`
`76`	`76`	`}`
`77`	`77`	`Button("Child B") {`
`78`		`- ViewStore(self.store.stateless).send(.childBButtonTapped)`
	`78`	`+ self.store.send(.childBButtonTapped)`
`79`	`79`	`}`
`80`	`80`	`}`
`81`	`81`
`@@ -97,7 +97,7 @@ struct PresentationItemTestCaseView: View {`
`97`	`97`	`) { store in`
`98`	`98`	`Text("Child A")`
`99`	`99`	`Button("Swap") {`
`100`		`- ViewStore(store.stateless).send(.swapButtonTapped)`
	`100`	`+ store.send(.swapButtonTapped)`
`101`	`101`	`}`
`102`	`102`	`}`
`103`	`103`	`case .childB:`
`@@ -107,7 +107,7 @@ struct PresentationItemTestCaseView: View {`
`107`	`107`	`) { store in`
`108`	`108`	`Text("Child B")`
`109`	`109`	`Button("Swap") {`
`110`		`- ViewStore(store.stateless).send(.swapButtonTapped)`
	`110`	`+ store.send(.swapButtonTapped)`
`111`	`111`	`}`
`112`	`112`	`}`
`113`	`113`	`}`
`@@ -125,7 +125,7 @@ struct PresentationItemTestCaseView: View {`
`125`	`125`	`) { store in`
`126`	`126`	`Text("Child A")`
`127`	`127`	`Button("Swap") {`
`128`		`- ViewStore(store.stateless).send(.swapButtonTapped)`
	`128`	`+ store.send(.swapButtonTapped)`
`129`	`129`	`}`
`130`	`130`	`}`
`131`	`131`	`.sheet(`
`@@ -135,7 +135,7 @@ struct PresentationItemTestCaseView: View {`
`135`	`135`	`) { store in`
`136`	`136`	`Text("Child B")`
`137`	`137`	`Button("Swap") {`
`138`		`- ViewStore(store.stateless).send(.swapButtonTapped)`
	`138`	`+ store.send(.swapButtonTapped)`
`139`	`139`	`}`
`140`	`140`	`}`
`141`	`141`	`}`