Function rustdoc::html::render::document_short

fn document_short(
    w: &mut Buffer,
    item: &Item,
    cx: &mut Context<'_>,
    link: AssocItemLink<'_>,
    parent: &Item,
    show_def_docs: bool
)

Writes a documentation block containing only the first paragraph of the documentation. If the docs are longer, a “Read more” link is appended to the end.