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Auto merge of #91957 - nnethercote:rm-SymbolStr, r=oli-obk

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Remove `SymbolStr`

This was originally proposed in https://github.com/rust-lang/rust/pull/74554#discussion_r466203544. As well as removing the icky `SymbolStr` type, it allows the removal of a lot of `&` and `*` occurrences.

Best reviewed one commit at a time.

r? `@oli-obk`
This commit is contained in:
bors 2021-12-19 09:31:37 +00:00
commit a41a6925ba
140 changed files with 354 additions and 415 deletions
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3
compiler/rustc_infer/src/infer/error_reporting/mod.rs
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@ -2252,8 +2252,7 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
.map(|p| p.name.as_str()),
);
}
let lts = lts_names.iter().map(|s| -> &str { &*s }).collect::<Vec<_>>();
possible.find(|candidate| !lts.contains(&candidate.as_str()))
possible.find(|candidate| !lts_names.contains(&&candidate[..]))
})
.unwrap_or("'lt".to_string());
let add_lt_sugg = generics