これ5モードの場合はInferSendableFromCapturesが有効だと発症する

1:24 AM

https://github.com/swiftlang/swift-evolution/blob/main/proposals/0418-inferring-sendable-for-methods.md

swift-evolution/proposals/0418-inferring-sendable-for-methods.md at...

This maintains proposals for changes and user-visible enhancements to the Swift Programming Language. - swiftlang/swift-evolution

1:25 AM

規格はこれで、キーパスとかメンバ参照式の話が出てくるからいかにも怪しい