TIL: The directory package started supporting #AFPP (#OsPath & #OsString) since version 1.3.8.0.

#haskell

https://hackage.haskell.org/package/directory-1.3.8.1/docs/System-Directory-OsPath.html
https://github.com/haskell/directory/blob/master/changelog.md#1380-sep-2022