On 10/2/2020 2:57 PM, Daniel N wrote: > Also see the formally accepted DIP1021! > https://github.com/dlang/DIPs/blob/148001a963f5d6e090bb6beef5caf9854372d0bc/DIPs/accepted/DIP1021.md That picks up the obvious cases, but the more subtle ones require @live's Data Flow Analysis to find.