Say you're writing a Rust macro. There's no way for your macro to issue a warning (not an error), right? Google finds only old discussions where people suggested this and were shot down.
(There is a crate that fakes it by doing something grody.)
Say you're writing a Rust macro. There's no way for your macro to issue a warning (not an error), right? Google finds only old discussions where people suggested this and were shot down.
(There is a crate that fakes it by doing something grody.)
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