Add @inlinable where SwiftUI has it

Sources/TokamakCore/Environment/Environment.swift

@@ -24,20 +24,21 @@ protocol EnvironmentReader {
 }
 
 @propertyWrapper public struct Environment<Value>: DynamicProperty {
-  enum Content {
+  @usableFromInline enum Content {
     case keyPath(KeyPath<EnvironmentValues, Value>)
     case value(Value)
   }
 
-  private var content: Content
-  private let keyPath: KeyPath<EnvironmentValues, Value>
+  @usableFromInline var content: Content
+  @inlinable
   public init(_ keyPath: KeyPath<EnvironmentValues, Value>) {
     content = .keyPath(keyPath)
-    self.keyPath = keyPath
   }
 
   mutating func setContent(from values: EnvironmentValues) {
-    content = .value(values[keyPath: keyPath])
+    if case let .keyPath(keyPath) = content {
+      content = .value(values[keyPath: keyPath])
+    }
   }
 
   public var wrappedValue: Value {

Sources/TokamakCore/Environment/EnvironmentKey.swift

@@ -25,6 +25,7 @@ public struct _EnvironmentKeyWritingModifier<Value>: ViewModifier, EnvironmentMo
   public let keyPath: WritableKeyPath<EnvironmentValues, Value>
   public let value: Value
 
+  @inlinable
   public init(keyPath: WritableKeyPath<EnvironmentValues, Value>, value: Value) {
     self.keyPath = keyPath
     self.value = value
@@ -38,6 +39,7 @@ public struct _EnvironmentKeyWritingModifier<Value>: ViewModifier, EnvironmentMo
 }
 
 public extension View {
+  @inlinable
   func environment<V>(
     _ keyPath: WritableKeyPath<EnvironmentValues, V>,
     _ value: V

Sources/TokamakCore/Modifiers/PaddingLayout.swift

@@ -16,6 +16,7 @@ public struct _PaddingLayout: ViewModifier {
   public var edges: Edge.Set
   public var insets: EdgeInsets?
 
+  @inlinable
   public init(edges: Edge.Set = .all, insets: EdgeInsets?) {
     self.edges = edges
     self.insets = insets
@@ -27,15 +28,18 @@ public struct _PaddingLayout: ViewModifier {
 }
 
 public extension View {
+  @inlinable
   func padding(_ insets: EdgeInsets) -> some View {
     modifier(_PaddingLayout(insets: insets))
   }
 
+  @inlinable
   func padding(_ edges: Edge.Set = .all, _ length: CGFloat? = nil) -> some View {
     let insets = length.map { EdgeInsets(_all: $0) }
     return modifier(_PaddingLayout(edges: edges, insets: insets))
   }
 
+  @inlinable
   func padding(_ length: CGFloat) -> some View {
     padding(.all, length)
   }

Sources/TokamakCore/Modifiers/StyleModifiers.swift

@@ -22,6 +22,7 @@ public struct _BackgroundModifier<Background>: ViewModifier, EnvironmentReader
   public var background: Background
   public var alignment: Alignment
 
+  @inlinable
   public init(background: Background, alignment: Alignment = .center) {
     self.background = background
     self.alignment = alignment
@@ -50,6 +51,7 @@ extension _BackgroundModifier: Equatable where Background: Equatable {
 }
 
 public extension View {
+  @inlinable
   func background<Background>(
     _ background: Background,
     alignment: Alignment = .center
@@ -65,6 +67,7 @@ public struct _OverlayModifier<Overlay>: ViewModifier, EnvironmentReader
   public var overlay: Overlay
   public var alignment: Alignment
 
+  @inlinable
   public init(overlay: Overlay, alignment: Alignment = .center) {
     self.overlay = overlay
     self.alignment = alignment
@@ -90,12 +93,14 @@ extension _OverlayModifier: Equatable where Overlay: Equatable {
 }
 
 public extension View {
+  @inlinable
   func overlay<Overlay>(_ overlay: Overlay, alignment: Alignment = .center) -> some View
     where Overlay: View
   {
     modifier(_OverlayModifier(overlay: overlay, alignment: alignment))
   }
 
+  @inlinable
   func border<S>(_ content: S, width: CGFloat = 1) -> some View where S: ShapeStyle {
     overlay(Rectangle().strokeBorder(content, lineWidth: width))
   }

Sources/TokamakCore/MountedViews/MountedElement.swift

@@ -75,10 +75,10 @@ public class MountedElement<R: Renderer> {
   var typeConstructorName: String {
     switch element {
     case .app: fatalError("""
-      `App` values aren't supposed to be reconciled, thus the type constructor name is not stored \
-      for `App` elements. Please report this crash as a bug at \
-      https://github.com/swiftwasm/Tokamak/issues/new
-      """)
+    `App` values aren't supposed to be reconciled, thus the type constructor name is not stored \
+    for `App` elements. Please report this crash as a bug at \
+    https://github.com/swiftwasm/Tokamak/issues/new
+    """)
     case let .scene(scene): return scene.typeConstructorName
     case let .view(view): return view.typeConstructorName
     }

Sources/TokamakCore/MountedViews/MountedScene.swift

@@ -97,7 +97,7 @@ extension _AnyScene {
   ) -> MountedScene<R> {
     var title: String?
     if let titledSelf = scene as? TitledScene,
-       let text = titledSelf.title
+      let text = titledSelf.title
     {
       title = _TextProxy(text).rawText
     }

Sources/TokamakCore/Preferences/_PreferenceActionModifier.swift

@@ -19,6 +19,7 @@ public struct _PreferenceActionModifier<Key>: _PreferenceWritingModifierProtocol
   where Key: PreferenceKey, Key.Value: Equatable
 {
   public let action: (Key.Value) -> ()
+  @inlinable
   public init(action: @escaping (Key.Value) -> Swift.Void) {
     self.action = action
   }

Sources/TokamakCore/Preferences/_PreferenceReadingView.swift

@@ -25,6 +25,7 @@ public struct _DelayedPreferenceView<Key, Content>: View, _PreferenceReadingView
   )
   public let transform: (_PreferenceValue<Key>) -> Content
 
+  @inlinable
   public init(transform: @escaping (_PreferenceValue<Key>) -> Content) {
     self.transform = transform
   }
@@ -39,6 +40,7 @@ public struct _DelayedPreferenceView<Key, Content>: View, _PreferenceReadingView
 }
 
 public extension PreferenceKey {
+  @inlinable
   static func _delay<T>(
     _ transform: @escaping (_PreferenceValue<Self>) -> T
   ) -> some View
@@ -49,6 +51,7 @@ public extension PreferenceKey {
 }
 
 public extension View {
+  @inlinable
   func overlayPreferenceValue<Key, T>(
     _ key: Key.Type = Key.self,
     @ViewBuilder _ transform: @escaping (Key.Value) -> T
@@ -58,6 +61,7 @@ public extension View {
     Key._delay { self.overlay(transform($0.value)) }
   }
 
+  @inlinable
   func backgroundPreferenceValue<Key, T>(
     _ key: Key.Type = Key.self,
     @ViewBuilder _ transform: @escaping (Key.Value) -> T

Sources/TokamakCore/Preferences/_PreferenceTransformModifier.swift

@@ -21,6 +21,7 @@ public struct _PreferenceTransformModifier<Key>: _PreferenceWritingModifierProto
 {
   public let transform: (inout Key.Value) -> ()
 
+  @inlinable
   public init(
     key _: Key.Type = Key.self,
     transform: @escaping (inout Key.Value) -> ()
@@ -37,6 +38,7 @@ public struct _PreferenceTransformModifier<Key>: _PreferenceWritingModifierProto
 }
 
 public extension View {
+  @inlinable
   func transformPreference<K>(
     _ key: K.Type = K.self,
     _ callback: @escaping (inout K.Value) -> ()

Sources/TokamakCore/Preferences/_PreferenceWritingModifier.swift

@@ -19,6 +19,7 @@ public struct _PreferenceWritingModifier<Key>: _PreferenceWritingModifierProtoco
   where Key: PreferenceKey
 {
   public let value: Key.Value
+  @inlinable
   public init(key: Key.Type = Key.self, value: Key.Value) {
     self.value = value
   }
@@ -36,6 +37,7 @@ extension _PreferenceWritingModifier: Equatable where Key.Value: Equatable {
 }
 
 public extension View {
+  @inlinable
   func preference<K>(key: K.Type = K.self, value: K.Value) -> some View
     where K: PreferenceKey
   {

Sources/TokamakCore/Shapes/ModifiedShapes.swift

@@ -20,6 +20,7 @@ public struct _StrokedShape<S>: Shape where S: Shape {
   public var shape: S
   public var style: StrokeStyle
 
+  @inlinable
   public init(shape: S, style: StrokeStyle) {
     self.shape = shape
     self.style = style

Sources/TokamakCore/Shapes/Shape.swift

@@ -53,6 +53,7 @@ public struct _ShapeView<Content, Style>: PrimitiveView where Content: Shape, St
   public var style: Style
   public var fillStyle: FillStyle
 
+  @inlinable
   public init(shape: Content, style: Style, fillStyle: FillStyle = FillStyle()) {
     self.shape = shape
     self.style = style

Sources/TokamakCore/State/Binding.swift

@@ -21,7 +21,9 @@ typealias Updater<T> = (inout T) -> ()
  view's state in-place synchronously, but only schedule an update with
  the renderer at a later time.
  */
-@propertyWrapper public struct Binding<Value>: DynamicProperty {
+@propertyWrapper
+@dynamicMemberLookup
+public struct Binding<Value>: DynamicProperty {
   public var wrappedValue: Value {
     get { get() }
     nonmutating set { set(newValue) }

Sources/TokamakCore/Tokens/Angle.swift

@@ -17,32 +17,37 @@
 
 public struct Angle: AdditiveArithmetic {
   public var radians: Double
-  public var degrees: Double {
+  @inlinable public var degrees: Double {
     get { radians * (180.0 / .pi) }
     set { radians = newValue * (.pi / 180.0) }
   }
 
+  @inlinable
   public init() {
     self.init(radians: 0.0)
   }
 
+  @inlinable
   public init(radians: Double) {
     self.radians = radians
   }
 
+  @inlinable
   public init(degrees: Double) {
     self.init(radians: degrees * (.pi / 180.0))
   }
 
+  @inlinable
   public static func radians(_ radians: Double) -> Angle {
     Angle(radians: radians)
   }
 
+  @inlinable
   public static func degrees(_ degrees: Double) -> Angle {
     Angle(degrees: degrees)
   }
 
-  public static let zero: Angle = .radians(0)
+  @inlinable public static var zero: Angle { .init() }
 
   public static func + (lhs: Self, rhs: Self) -> Self {
     .radians(lhs.radians + rhs.radians)
@@ -64,6 +69,7 @@ public struct Angle: AdditiveArithmetic {
 }
 
 extension Angle: Hashable, Comparable {
+  @inlinable
   public static func < (lhs: Self, rhs: Self) -> Bool {
     lhs.radians < rhs.radians
   }

Sources/TokamakCore/Tokens/Color.swift

@@ -367,6 +367,7 @@ public extension EnvironmentValues {
 }
 
 public extension View {
+  @inlinable
   func accentColor(_ accentColor: Color?) -> some View {
     environment(\.accentColor, accentColor)
   }
@@ -388,6 +389,7 @@ public extension EnvironmentValues {
 }
 
 public extension View {
+  @inlinable
   func foregroundColor(_ color: Color?) -> some View {
     environment(\.foregroundColor, color)
   }

Sources/TokamakCore/Tokens/ColorScheme.swift

@@ -31,6 +31,7 @@ public extension EnvironmentValues {
 }
 
 public extension View {
+  @inlinable
   func colorScheme(_ colorScheme: ColorScheme) -> some View {
     environment(\.colorScheme, colorScheme)
   }

Sources/TokamakCore/Tokens/Font.swift

@@ -354,6 +354,7 @@ public extension EnvironmentValues {
 }
 
 public extension View {
+  @inlinable
   func font(_ font: Font?) -> some View {
     environment(\.font, font)
   }

Sources/TokamakCore/Views/Containers/ForEach.swift

@@ -104,24 +104,27 @@ public protocol _AnyIDView {
   var anyContent: AnyView { get }
 }
 
+@usableFromInline
 struct IDView<Content, ID>: View, _AnyIDView where Content: View, ID: Hashable {
-  let content: Content
-  let id: ID
-  var anyId: AnyHashable { AnyHashable(id) }
-  var anyContent: AnyView { AnyView(content) }
+  @usableFromInline let content: Content
+  @usableFromInline let id: ID
+  @usableFromInline var anyId: AnyHashable { AnyHashable(id) }
+  @usableFromInline var anyContent: AnyView { AnyView(content) }
 
+  @inlinable
   init(_ content: Content, id: ID) {
     self.content = content
     self.id = id
   }
 
-  var body: some View {
+  @usableFromInline var body: some View {
     content
       .environment(\._id, AnyHashable(id))
   }
 }
 
 public extension View {
+  @inlinable
   func id<ID>(_ id: ID) -> some View where ID: Hashable {
     IDView(self, id: id)
   }

Sources/TokamakCore/Views/Containers/Group.swift

@@ -13,7 +13,8 @@
 // limitations under the License.
 
 public struct Group<Content> {
-  let content: Content
+  @usableFromInline let content: Content
+  @inlinable
   public init(@ViewBuilder content: () -> Content) {
     self.content = content()
   }

Sources/TokamakCore/Views/Layout/GeometryReader.swift

@@ -42,6 +42,7 @@ public func makeProxy(from size: CGSize) -> GeometryProxy {
 
 public struct GeometryReader<Content>: PrimitiveView where Content: View {
   public let content: (GeometryProxy) -> Content
+  @inlinable
   public init(@ViewBuilder content: @escaping (GeometryProxy) -> Content) {
     self.content = content
   }

Sources/TokamakCore/Views/Layout/HStack.swift

@@ -33,6 +33,7 @@ public struct HStack<Content>: PrimitiveView where Content: View {
   public let spacing: CGFloat?
   public let content: Content
 
+  @inlinable
   public init(
     alignment: VerticalAlignment = .center,
     spacing: CGFloat? = nil,

Sources/TokamakCore/Views/Layout/VStack.swift

@@ -30,6 +30,7 @@ public struct VStack<Content>: PrimitiveView where Content: View {
   public let spacing: CGFloat?
   public let content: Content
 
+  @inlinable
   public init(
     alignment: HorizontalAlignment = .center,
     spacing: CGFloat? = nil,

Sources/TokamakCore/Views/Layout/ZStack.swift

@@ -17,6 +17,7 @@ public struct Alignment: Equatable {
   public var horizontal: HorizontalAlignment
   public var vertical: VerticalAlignment
 
+  @inlinable
   public init(
     horizontal: HorizontalAlignment,
     vertical: VerticalAlignment
@@ -48,6 +49,7 @@ public struct ZStack<Content>: PrimitiveView where Content: View {
   public let spacing: CGFloat?
   public let content: Content
 
+  @inlinable
   public init(
     alignment: Alignment = .center,
     spacing: CGFloat? = nil,