swift 6.1.2

Author: swhitty

.github/workflows/build.yml

@@ -146,7 +146,7 @@ jobs:
       - name: Install Swift
         uses: SwiftyLab/setup-swift@latest
         with:
-          swift-version: "6.1.0"
+          swift-version: "6.1.2"
       - name: Version
         run: swift --version
       - name: Build

Sources/Mutex.swift

@@ -38,7 +38,7 @@
 @available(tvOS, introduced: 18.0, deprecated: 15.0, message: "use Mutex from Synchronization module")
 @available(watchOS, introduced: 11.0, deprecated: 15.0, message: "use Mutex from Synchronization module")
 @available(visionOS, introduced: 2.0, deprecated: 15.0, message: "use Mutex from Synchronization module")
-public struct Mutex<Value>: @unchecked Sendable, ~Copyable {
+public struct Mutex<Value: ~Copyable>: @unchecked Sendable, ~Copyable {
     package let lock = AllocatedLock()
     private let storage: Storage