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rustdoc: convert print_tuple_struct_fields to return a Display

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This commit is contained in:
Michael Howell 2023-04-03 15:30:28 -07:00
parent bf41e753ec
commit fc5de13d31
1 changed files with 18 additions and 16 deletions
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34
src/librustdoc/html/render/print_item.rs
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@ -1174,17 +1174,23 @@ fn item_union(w: &mut Buffer, cx: &mut Context<'_>, it: &clean::Item, s: &clean:
document_type_layout(w, cx, def_id);
}
fn print_tuple_struct_fields(w: &mut Buffer, cx: &Context<'_>, s: &[clean::Item]) {
for (i, ty) in s.iter().enumerate() {
if i > 0 {
w.write_str(", ");
fn print_tuple_struct_fields<'a, 'cx: 'a>(
cx: &'a Context<'cx>,
s: &'a [clean::Item],
) -> impl fmt::Display + 'a + Captures<'cx> {
display_fn(|f| {
for (i, ty) in s.iter().enumerate() {
if i > 0 {
f.write_str(", ")?;
}
match *ty.kind {
clean::StrippedItem(box clean::StructFieldItem(_)) => f.write_str("_")?,
clean::StructFieldItem(ref ty) => write!(f, "{}", ty.print(cx))?,
_ => unreachable!(),
}
}
match *ty.kind {
clean::StrippedItem(box clean::StructFieldItem(_)) => w.write_str("_"),
clean::StructFieldItem(ref ty) => write!(w, "{}", ty.print(cx)),
_ => unreachable!(),
}
}
Ok(())
})
}
fn item_enum(w: &mut Buffer, cx: &mut Context<'_>, it: &clean::Item, e: &clean::Enum) {
@ -1221,9 +1227,7 @@ fn item_enum(w: &mut Buffer, cx: &mut Context<'_>, it: &clean::Item, e: &clean::
clean::VariantItem(ref var) => match var.kind {
clean::VariantKind::CLike => write!(w, "{}", name),
clean::VariantKind::Tuple(ref s) => {
write!(w, "{}(", name);
print_tuple_struct_fields(w, cx, s);
w.write_str(")");
write!(w, "{name}({})", print_tuple_struct_fields(cx, s),);
}
clean::VariantKind::Struct(ref s) => {
render_struct(w, v, None, None, &s.fields, " ", false, cx);
@ -1276,9 +1280,7 @@ fn item_enum(w: &mut Buffer, cx: &mut Context<'_>, it: &clean::Item, e: &clean::
let clean::VariantItem(variant_data) = &*variant.kind else { unreachable!() };
if let clean::VariantKind::Tuple(ref s) = variant_data.kind {
w.write_str("(");
print_tuple_struct_fields(w, cx, s);
w.write_str(")");
write!(w, "({})", print_tuple_struct_fields(cx, s),);
}
w.write_str("</h3></section>");