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Merge duplicate suggestion string

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This commit is contained in:
Rob Pilling 2022-02-02 22:22:13 +00:00
parent 344ea6e0e5
commit 82a012299d
1 changed files with 4 additions and 7 deletions
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11
compiler/rustc_infer/src/infer/error_reporting/mod.rs
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@ -2125,22 +2125,19 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
let Ok(code) = self.tcx.sess().source_map().span_to_snippet(span)
else { return };
let msg = "use a trailing comma to create a tuple with one element";
if code.starts_with('(') && code.ends_with(')') {
let before_close = span.hi() - BytePos::from_u32(1);
err.span_suggestion(
span.with_hi(before_close).shrink_to_hi(),
"use a trailing comma to create a tuple with one element",
msg,
",".into(),
Applicability::MachineApplicable,
);
} else {
err.multipart_suggestion(
"use a trailing comma to create a tuple with one element",
vec![
(span.shrink_to_lo(), "(".into()),
(span.shrink_to_hi(), ",)".into()),
],
msg,
vec![(span.shrink_to_lo(), "(".into()), (span.shrink_to_hi(), ",)".into())],
Applicability::MachineApplicable,
);
}