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Nit: add comment

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Niko Matsakis 2016-04-26 21:06:53 -04:00
parent 1fdbfcdbd0
commit 883b969909
1 changed files with 5 additions and 3 deletions
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8
src/libsyntax/codemap.rs
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@ -334,9 +334,11 @@ impl MultiSpan {
&self.primary_spans &self.primary_spans
} }
/// Returns the strings to highlight. If we have an explicit set, /// Returns the strings to highlight. We always ensure that there
/// return those, otherwise just give back an (unlabeled) version /// is an entry for each of the primary spans -- for each primary
/// of the primary span. /// span P, if there is at least one label with span P, we return
/// those labels (marked as primary). But otherwise we return
/// `SpanLabel` instances with empty labels.
pub fn span_labels(&self) -> Vec<SpanLabel> { pub fn span_labels(&self) -> Vec<SpanLabel> {
let is_primary = |span| self.primary_spans.contains(&span); let is_primary = |span| self.primary_spans.contains(&span);
let mut span_labels = vec![]; let mut span_labels = vec![];