We're using this over in [camfort/verifiable-expressions](https://github.com/camfort/verifiable-expressions) (I say *we*, I'm new to the project and currently doing maintenance), and need to bump union's dependencies to get our projects building with newer GHCs. Thank you for the library!
This issue appears to be discussing a feature request or bug report related to the repository. Based on the content, it seems to be resolved. The issue was opened by raehik and has received 4 comments.