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Rollup merge of #127350 - veera-sivarajan:bugfix-126311, r=lcnr

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Parser: Suggest Placing the Return Type After Function Parameters

Fixes #126311

This PR suggests placing the return type after the function parameters when it's misplaced after a `where` clause.

This also tangentially improves diagnostics for cases like [this](86d6f1312a/tests/ui/parser/issues/misplaced-return-type-without-where-issue-126311.rs (L1C1-L1C28)) and adds doc comments for `parser::AllowPlus`.
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Matthias Krüger 2024-07-19 10:48:03 +02:00 • committed by GitHub
commit c86e13f330
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16 changed files with 215 additions and 39 deletions
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compiler/rustc_parse/messages.ftl
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@ -524,6 +524,8 @@ parse_mismatched_closing_delimiter = mismatched closing delimiter: `{$delimiter}
.label_opening_candidate = closing delimiter possibly meant for this
.label_unclosed = unclosed delimiter
parse_misplaced_return_type = place the return type after the function parameters
parse_missing_comma_after_match_arm = expected `,` following `match` arm
.suggestion = missing a comma here to end this `match` arm