7bbdca6182
3564: Better handling of a few kinds of cargo/clippy diagnostics r=matklad a=kiljacken This was initially supposed to just be a fix for #3433, but I caught a few things that ended up being useful as well. This PR primarily makes us handle multi-edit fix suggestions properly. Instead of just applying the first fix we apply all the parts of the fix in a single action. Second up, this PR handles diagnostics with multiple primary spans, f.x. the unused import diagnostic from rustc:  The LSP doesn't handle this too well, as it only support a single complete range for each diagnostic, so we get duplicate messages in the problem panel of VSCode:  However, I feel like the improved visual aspect in-editor outweighs the duplication in the problem panel. I'm open to not including the second commit if anybody really doesn't like the idea of duplicate diagnostics in the problem pane. Fixes #3433 Fixes #3257 Co-authored-by: Emil Lauridsen <mine809@gmail.com>
rust-analyzer is an experimental 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. If you want to get involved, check the rls-2.0 working group:
https://rust-lang.zulipchat.com/#narrow/stream/185405-t-compiler.2Fwg-rls-2.2E0
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See LICENSE-APACHE and LICENSE-MIT for details.