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Simplify code for special case of annotation

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AnthonyMikh 2019-09-30 23:33:17 +03:00 committed by GitHub
parent 75a7c27a54
commit 7dc953b493
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1 changed files with 10 additions and 12 deletions
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22
src/librustc_errors/emitter.rs
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@ -622,18 +622,16 @@ impl EmitterWriter {
// 3 | |
// 4 | | }
// | |_^ test
if line.annotations.len() == 1 {
if let Some(ref ann) = line.annotations.get(0) {
if let AnnotationType::MultilineStart(depth) = ann.annotation_type {
if source_string.chars().take(ann.start_col).all(|c| c.is_whitespace()) {
let style = if ann.is_primary {
Style::UnderlinePrimary
} else {
Style::UnderlineSecondary
};
buffer.putc(line_offset, width_offset + depth - 1, '/', style);
return vec![(depth, style)];
}
if let [ann] = &line.annotations[..] {
if let AnnotationType::MultilineStart(depth) = ann.annotation_type {
if source_string.chars().take(ann.start_col).all(|c| c.is_whitespace()) {
let style = if ann.is_primary {
Style::UnderlinePrimary
} else {
Style::UnderlineSecondary
};
buffer.putc(line_offset, width_offset + depth - 1, '/', style);
return vec![(depth, style)];
}
}
}