4ac3f2c24f
Expand unmatched mbe fragments to reasonable default token trees Currently we expand unmatched fragments by not replacing them at all, leaving us with `$ident`. This trips up the parser or subsequent macro calls. Instead it makes more sense to replace these with some reasonable default depending on the fragment kind which should make more recursive macro calls work better for completions.
rust-analyzer is a modular compiler frontend for the Rust language. It is a part of a larger rls-2.0 effort to create excellent IDE support for Rust.
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