feat: Migrate to Swift 6 language mode

.github/workflows/TestSuite.yml

@@ -11,7 +11,7 @@ jobs:
     name: Swift ${{ matrix.swift }} on ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-latest, macos-latest]
+        os: [ubuntu-24.04, ubuntu-22.04, macos-14, macos-15]
         swift: ["6.0"]
     runs-on: ${{ matrix.os }}
     steps:

Package.swift

@@ -1,13 +1,16 @@
-// swift-tools-version:5.9
+// swift-tools-version:6.0
 
 import PackageDescription
 
 let package = Package(
   name: "StatKit",
   platforms: [
+    .macCatalyst(.v17),
     .macOS(.v14),
     .iOS(.v17),
-    .tvOS(.v17)
+    .tvOS(.v17),
+    .watchOS(.v10),
+    .visionOS(.v2)
   ],
   products: [
     .library(
@@ -36,7 +39,7 @@ let package = Package(
       dependencies: ["StatKit"]
     )
   ],
-  swiftLanguageVersions: [
-    .v5
+  swiftLanguageModes: [
+    .v6
   ]
 )

README.md

@@ -19,7 +19,7 @@
 </p>
 
 <p align="center">
-    <img src="https://img.shields.io/badge/swift-5.9-blueviolet.svg" />
+    <img src="https://img.shields.io/badge/swift-6.0-blueviolet.svg" />
     <img src="https://img.shields.io/badge/swift pm-compatible-blueviolet.svg?style=flat" alt="Swift PM Compatible" />
 </p>
 
@@ -113,7 +113,7 @@ let normalRandomVariables = normal.sample(10)
 StatKit is documented using Swift-DocC, which means that the documentation pages can be built by Xcode and viewed in the Developer Documentation panel. Build it by clicking `Product > Build Documentation` or hitting `Shift + Ctrl + Cmd + D`.
 
 ## System Requirements
-To use StatKit, make sure that your system has Swift 5.9 (or later) installed. If you’re using a Mac, also make sure that `xcode-select` points at an Xcode installation that includes a valid version of Swift and that you’re running macOS 14 or later.
+To use StatKit, make sure that your system has Swift 6.0 (or later) installed. If you’re using a Mac, also make sure that `xcode-select` points at an Xcode installation that includes a valid version of Swift and that you’re running macOS 14 or later.
 
 **IMPORTANT**  
 StatKit **does not** officially support any beta software, including beta versions of Xcode and macOS, or unreleased versions of Swift.

Sources/StatKit/Protocols/ConvertibleToReal.swift

@@ -20,6 +20,11 @@ extension ConvertibleToReal where Self: BinaryFloatingPoint {
 extension Double: ConvertibleToReal {}
 extension Float: ConvertibleToReal {}
 
+#if swift(>=5.4) && !((os(macOS) || targetEnvironment(macCatalyst)) && arch(x86_64))
+@available(macOS 11.0, iOS 14.0, tvOS 14.0, watchOS 7.0, *)
+extension Float16: ConvertibleToReal {}
+#endif
+
 #if canImport(CoreGraphics)
 import CoreGraphics
 extension CGFloat: ConvertibleToReal {}
@@ -41,3 +46,9 @@ extension UInt8: ConvertibleToReal {}
 extension UInt16: ConvertibleToReal {}
 extension UInt32: ConvertibleToReal {}
 extension UInt64: ConvertibleToReal {}
+
+@available(macOS 15.0, iOS 18.0, watchOS 11.0, tvOS 18.0, visionOS 2.0, *)
+extension Int128: ConvertibleToReal {}
+
+@available(macOS 15.0, iOS 18.0, watchOS 11.0, tvOS 18.0, visionOS 2.0, *)
+extension UInt128: ConvertibleToReal {}