Swift 6 (#1)

Package.swift

@@ -1,29 +1,29 @@
-// swift-tools-version:5.5
+// swift-tools-version:6.0
 // The swift-tools-version declares the minimum version of Swift required to build this package.
 
 import PackageDescription
 
 let package = Package(
-    name: "Descriptors",
-    platforms: [.iOS(.v10)],
-    products: [
-        // Products define the executables and libraries a package produces, and make them visible to other packages.
-        .library(
-            name: "Descriptors",
-            targets: ["Descriptors"]),
-    ],
-    dependencies: [
-        // Dependencies declare other packages that this package depends on.
-        // .package(url: /* package url */, from: "1.0.0"),
-    ],
-    targets: [
-        // Targets are the basic building blocks of a package. A target can define a module or a test suite.
-        // Targets can depend on other targets in this package, and on products in packages this package depends on.
-        .target(
-            name: "Descriptors",
-            dependencies: []),
-        .testTarget(
-            name: "DescriptorsTests",
-            dependencies: ["Descriptors"]),
-    ]
+  name: "Descriptors",
+  platforms: [.iOS(.v10)],
+  products: [
+    // Products define the executables and libraries a package produces, and make them visible to other packages.
+    .library(
+      name: "Descriptors",
+      targets: ["Descriptors"])
+  ],
+  dependencies: [
+    // Dependencies declare other packages that this package depends on.
+    // .package(url: /* package url */, from: "1.0.0"),
+  ],
+  targets: [
+    // Targets are the basic building blocks of a package. A target can define a module or a test suite.
+    // Targets can depend on other targets in this package, and on products in packages this package depends on.
+    .target(
+      name: "Descriptors",
+      dependencies: []),
+    .testTarget(
+      name: "DescriptorsTests",
+      dependencies: ["Descriptors"]),
+  ]
 )

Sources/Descriptors/HapticsDescriptor.swift

@@ -21,22 +21,23 @@
 
 import UIKit
 
-public struct HapticsDescriptor {
+public struct HapticsDescriptor: Sendable {
 
-  public enum Event: Equatable {
+  public enum Event: Equatable, Sendable {
     case onTouchDownInside
     case onTouchUpInside
     case onLongPress
   }
 
-  private let _onReceiveEvent: (Event) -> Void
+  private let _onReceiveEvent: @MainActor (Event) -> Void
 
   public init(
-    onReceiveEvent: @escaping (Event) -> Void
+    onReceiveEvent: @escaping @MainActor (Event) -> Void
   ) {
     self._onReceiveEvent = onReceiveEvent
   }
 
+  @MainActor
   public func send(event: Event) {
     _onReceiveEvent(event)
   }
@@ -49,9 +50,10 @@ extension HapticsDescriptor {
     delay: DispatchTimeInterval = .seconds(0)
   ) -> Self {
 
-    let feedbackGenerator = UIImpactFeedbackGenerator(style: style)
-
     return self.init { event in
+
+      let feedbackGenerator = UIImpactFeedbackGenerator(style: style)
+
       if case .onTouchUpInside = event {
         DispatchQueue.main.asyncAfter(deadline: .now() + delay) {
           feedbackGenerator.impactOccurred()

Sources/Descriptors/HighlightAnimationDescriptor.swift

@@ -21,7 +21,7 @@
 
 import UIKit
 
-public struct HighlightAnimationDescriptor {
+public struct HighlightAnimationDescriptor: Sendable {
 
   public final class Context {
 
@@ -43,16 +43,16 @@ public struct HighlightAnimationDescriptor {
     }
   }
 
-  private let _prepare: (Context) -> Void
+  private let _prepare: @MainActor (Context) -> Void
 
   public init(
-    prepare: @escaping (Context) -> Void
+    prepare: @escaping @MainActor (Context) -> Void
   ) {
     self._prepare = prepare
   }
 
+  @MainActor
   public func prepare() -> Context {
-    assert(Thread.isMainThread)
     let context = Context()
     _prepare(context)
     return context

Sources/Descriptors/LinearGradientDescriptor.swift

@@ -1,6 +1,6 @@
 import UIKit
 
-public struct GradientColor: Hashable {
+public struct GradientColor: Hashable, Sendable {
 
   public let color: UIColor
   public let location: CGFloat
@@ -14,7 +14,7 @@ public struct GradientColor: Hashable {
   }
 }
 
-public struct GradientSource: Hashable {
+public struct GradientSource: Hashable, Sendable {
 
   public let colors: [GradientColor]
   public let identifier: String
@@ -26,7 +26,7 @@ public struct GradientSource: Hashable {
 
 }
 
-public struct LinearGradientDescriptor: Equatable {
+public struct LinearGradientDescriptor: Equatable, Sendable {
 
   // MARK: - Properties
 

Sources/Descriptors/LinearGradientDrawer.swift

@@ -1,7 +1,7 @@
 
 import UIKit
 
-public struct LinearGradientDrawer {
+public struct LinearGradientDrawer: Sendable {
 
   // MARK: - Properties