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Allocate fewer Strings at a time

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This commit is contained in:
ashtneoi 2018-08-13 22:01:54 -07:00
parent 81c27c6af7
commit 3c3a7bad49
1 changed files with 8 additions and 4 deletions
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12
src/librustc_mir/borrow_check/move_errors.rs
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@ -383,7 +383,7 @@ impl<'a, 'gcx, 'tcx> MirBorrowckCtxt<'a, 'gcx, 'tcx> {
err: &mut DiagnosticBuilder<'a>,
binds_to: &[Local],
) {
let mut suggestions: Vec<(Span, String, String)> = Vec::new();
let mut suggestions: Vec<(Span, &str, String)> = Vec::new();
for local in binds_to {
let bind_to = &self.mir.local_decls[*local];
if let Some(
@ -411,7 +411,7 @@ impl<'a, 'gcx, 'tcx> MirBorrowckCtxt<'a, 'gcx, 'tcx> {
}
suggestions.push((
pat_span,
format!("consider removing the `{}`", to_remove),
to_remove,
suggestion.to_owned(),
));
}
@ -419,8 +419,12 @@ impl<'a, 'gcx, 'tcx> MirBorrowckCtxt<'a, 'gcx, 'tcx> {
}
suggestions.sort_unstable_by_key(|&(span, _, _)| span);
suggestions.dedup_by_key(|&mut (span, _, _)| span);
for (span, msg, suggestion) in suggestions {
err.span_suggestion(span, &msg, suggestion);
for (span, to_remove, suggestion) in suggestions {
err.span_suggestion(
span,
&format!("consider removing the `{}`", to_remove),
suggestion
);
}
}