Ludwig Hollmann comments

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                                            Ludwig Hollmann

[cxx-interop] Using a C++ enum in Swift, cannot be used in C++ anymore (bi-directional Swift <-> C++ code)

I tried to reproduce your issue and got the exact same error. First, I tried looking in the build folder, located at `~/Library/Developer/Xcode/DerivedData/`. I found that **MyLibrary-Swift.h** does not contain...

[cxx-interop] Using a C++ enum in Swift, cannot be used in C++ anymore (bi-directional Swift <-> C++ code)

Glad to hear that the workaround worked for you, @mrousavy!

[cxx-interop] Using a C++ enum in Swift, cannot be used in C++ anymore (bi-directional Swift <-> C++ code)

@mrousavy I find it hard to believe that wrapping of the enum inside a struct would lead to much overhead, if any at all. That being said, your solution is...

[cxx-interop] Using a C++ enum in Swift, cannot be used in C++ anymore (bi-directional Swift <-> C++ code)

@Xazax-hun Hi, I cherry-picked your test and tried running it with the ```release/5.10``` branch. It returned an error: ``` error: no member named 'getSomeEnum' in 'UseCxx::SomethingSwift' SomeEnum getSomeEnum() { return...