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avoid many &str to String conversions with MultiSpan::push_span_label

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This commit is contained in:
Takayuki Maeda
2022-06-29 21:16:43 +09:00
parent 0e1a6fb463
commit 6212e6b339
17 changed files with 38 additions and 66 deletions
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3
compiler/rustc_infer/src/traits/error_reporting/mod.rs
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@@ -85,8 +85,7 @@ pub fn report_object_safety_error<'tcx>(
let has_multi_span = !multi_span.is_empty();
let mut note_span = MultiSpan::from_spans(multi_span.clone());
if let (Some(trait_span), true) = (trait_span, has_multi_span) {
note_span
.push_span_label(trait_span, "this trait cannot be made into an object...".to_string());
note_span.push_span_label(trait_span, "this trait cannot be made into an object...");
}
for (span, msg) in iter::zip(multi_span, messages) {
note_span.push_span_label(span, msg);