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Rollup merge of #69551 - matthiaskrgr:len_zero, r=Mark-Simulacrum

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use is_empty() instead of len() == x  to determine if structs are empty.
This commit is contained in:
Dylan DPC 2020-02-29 02:16:21 +01:00 • committed by GitHub
commit c8db7dcc1c
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54 changed files with 76 additions and 76 deletions
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6
src/librustdoc/html/render.rs
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@ -2783,7 +2783,7 @@ fn assoc_type(
fn render_stability_since_raw(w: &mut Buffer, ver: Option<&str>, containing_ver: Option<&str>) {
if let Some(v) = ver {
if containing_ver != ver && v.len() > 0 {
if containing_ver != ver && !v.is_empty() {
write!(w, "<span class='since' title='Stable since Rust version {0}'>{0}</span>", v)
}
}
@ -3143,7 +3143,7 @@ fn render_attribute(attr: &ast::MetaItem) -> Option<String> {
.filter_map(|attr| attr.meta_item().and_then(|mi| render_attribute(mi)))
.collect();
if display.len() > 0 { Some(format!("{}({})", path, display.join(", "))) } else { None }
if !display.is_empty() { Some(format!("{}({})", path, display.join(", "))) } else { None }
} else {
None
}
@ -3178,7 +3178,7 @@ fn render_attributes(w: &mut Buffer, it: &clean::Item, top: bool) {
attrs.push_str(&format!("#[{}]\n", s));
}
}
if attrs.len() > 0 {
if !attrs.is_empty() {
write!(
w,
"<span class=\"docblock attributes{}\">{}</span>",