Bump to Swift 6.1 in preparation for AndroidBackend (fix conc warnings)

Author: stackotter

Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version:5.10
+// swift-tools-version:6.1
 
 import CompilerPluginSupport
 import Foundation

Sources/SwiftCrossUI/Environment/Actions/DismissAction.swift

@@ -20,9 +20,9 @@
 /// ```
 @MainActor
 public struct DismissAction {
-    private let action: () -> Void
+    private nonisolated let action: @MainActor () -> Void
 
-    internal init(action: @escaping () -> Void) {
+    nonisolated init(action: @MainActor @escaping () -> Void) {
         self.action = action
     }
 
@@ -34,7 +34,6 @@ public struct DismissAction {
 
 /// Environment key for the dismiss action.
 private struct DismissActionKey: EnvironmentKey {
-    @MainActor
     static var defaultValue: DismissAction {
         DismissAction(action: {
             #if DEBUG
@@ -52,7 +51,7 @@ extension EnvironmentValues {
     ///
     /// Example:
     /// ```swift
-    /// struct ContentView: View {
+    /// struct SheetContentView: View {
     ///     @Environment(\.dismiss) var dismiss
     ///
     ///     var body: some View {

Sources/SwiftCrossUI/Views/Shapes/Shape.swift

@@ -2,7 +2,7 @@
 ///
 /// If no stroke color or fill color is specified, the default is no stroke and a fill of the
 /// current foreground color.
-public protocol Shape: View, Sendable where Content == EmptyView {
+public protocol Shape: View, Sendable, _RemoveGlobalActorIsolation where Content == EmptyView {
     /// Draw the path for this shape.
     ///
     /// The bounds passed to a shape that is immediately drawn as a view will always have an

Sources/SwiftCrossUI/_RemoveGlobalActorIsolation.swift

@@ -0,0 +1,13 @@
+@globalActor
+public actor _GlobalActorToDisableGlobalActorInference {
+    public static let shared = _GlobalActorToDisableGlobalActorInference()
+}
+
+/// Protocols that inherit from an actor-isolated protocol (such as View)
+/// and `_RemoveGlobalActorIsolation` end up without an inferred isolation.
+///
+/// This is useful for protocols such as Shape which inherit from an
+/// actor-isolated protocol but don't themselves need the isolation for
+/// members that aren't a direct requirement of the isolated protocol.
+@_GlobalActorToDisableGlobalActorInference
+public protocol _RemoveGlobalActorIsolation {}