Fix "proc macro not expanded" errors #460
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Fixes #428
Based on this conversation, it seems like we may need to explicitly enable procedural macro support when initializing
rust-analyzer
. Although it's strange because there's also this PR which claims to enable support by default.It also seems like we need to configure rust-analyzer with
cargo.loadOutDirsFromCheck: true
. When I make both of these configuration changes, I think I'm no longer seeing these warnings. But I'm still not totally confident because I thought it was working before I made the out dirs change and then I ended up seeing the errors again.