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rustdoc: clean up write! calls with less stuttering #107864

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Feb 11, 2023
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rustdoc: clean up write! calls with less stuttering #107864

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27 changes: 12 additions & 15 deletions src/librustdoc/html/render/print_item.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1081,10 +1081,10 @@ fn item_typedef(w: &mut Buffer, cx: &mut Context<'_>, it: &clean::Item, t: &clea
fn write_content(w: &mut Buffer, cx: &Context<'_>, it: &clean::Item, t: &clean::Typedef) {
wrap_item(w, |w| {
render_attributes_in_pre(w, it, "");
write!(w, "{}", visibility_print_with_space(it.visibility(cx.tcx()), it.item_id, cx));
write!(
w,
"type {}{}{where_clause} = {type_};",
"{}type {}{}{where_clause} = {type_};",
visibility_print_with_space(it.visibility(cx.tcx()), it.item_id, cx),
it.name.unwrap(),
t.generics.print(cx),
where_clause = print_where_clause(&t.generics, cx, 0, Ending::Newline),
Expand Down Expand Up @@ -1138,13 +1138,11 @@ fn item_union(w: &mut Buffer, cx: &mut Context<'_>, it: &clean::Item, s: &clean:
<a href=\"#{id}\" class=\"anchor field\">§</a>\
<code>{name}: {ty}</code>\
</span>",
id = id,
name = name,
shortty = ItemType::StructField,
ty = ty.print(cx),
);
if let Some(stability_class) = field.stability_class(cx.tcx()) {
write!(w, "<span class=\"stab {stab}\"></span>", stab = stability_class);
write!(w, "<span class=\"stab {stability_class}\"></span>");
}
document(w, cx, field, Some(it), HeadingOffset::H3);
}
Expand Down Expand Up @@ -1242,7 +1240,6 @@ fn item_enum(w: &mut Buffer, cx: &mut Context<'_>, it: &clean::Item, e: &clean::
w,
"<section id=\"{id}\" class=\"variant\">\
<a href=\"#{id}\" class=\"anchor\">§</a>",
id = id,
);
render_stability_since_raw_with_extra(
w,
Expand Down Expand Up @@ -1280,8 +1277,11 @@ fn item_enum(w: &mut Buffer, cx: &mut Context<'_>, it: &clean::Item, e: &clean::
if let Some((heading, fields)) = heading_and_fields {
let variant_id =
cx.derive_id(format!("{}.{}.fields", ItemType::Variant, variant.name.unwrap()));
write!(w, "<div class=\"sub-variant\" id=\"{id}\">", id = variant_id);
write!(w, "<h4>{heading}</h4>", heading = heading);
write!(
w,
"<div class=\"sub-variant\" id=\"{variant_id}\">\
<h4>{heading}</h4>",
);
document_non_exhaustive(w, variant);
for field in fields {
match *field.kind {
Expand All @@ -1299,7 +1299,6 @@ fn item_enum(w: &mut Buffer, cx: &mut Context<'_>, it: &clean::Item, e: &clean::
<a href=\"#{id}\" class=\"anchor field\">§</a>\
<code>{f}: {t}</code>\
</span>",
id = id,
f = field.name.unwrap(),
t = ty.print(cx)
);
Expand Down Expand Up @@ -1450,11 +1449,9 @@ fn item_struct(w: &mut Buffer, cx: &mut Context<'_>, it: &clean::Item, s: &clean
w,
"<span id=\"{id}\" class=\"{item_type} small-section-header\">\
<a href=\"#{id}\" class=\"anchor field\">§</a>\
<code>{name}: {ty}</code>\
<code>{field_name}: {ty}</code>\
</span>",
item_type = ItemType::StructField,
id = id,
name = field_name,
ty = ty.print(cx)
);
document(w, cx, field, Some(it), HeadingOffset::H3);
Expand Down Expand Up @@ -1842,8 +1839,8 @@ fn document_type_layout(w: &mut Buffer, cx: &Context<'_>, ty_def_id: DefId) {
if layout.abi.is_unsized() {
write!(w, "(unsized)");
} else {
let bytes = layout.size.bytes() - tag_size;
write!(w, "{size} byte{pl}", size = bytes, pl = if bytes == 1 { "" } else { "s" },);
let size = layout.size.bytes() - tag_size;
write!(w, "{size} byte{pl}", pl = if size == 1 { "" } else { "s" },);
}
}

Expand Down Expand Up @@ -1898,7 +1895,7 @@ fn document_type_layout(w: &mut Buffer, cx: &Context<'_>, ty_def_id: DefId) {

for (index, layout) in variants.iter_enumerated() {
let name = adt.variant(index).name;
write!(w, "<li><code>{name}</code>: ", name = name);
write!(w, "<li><code>{name}</code>: ");
write_size_of_layout(w, layout, tag_size);
writeln!(w, "</li>");
}
Expand Down