Function rustdoc::html::render::document_item_info

fn document_item_info(
    w: &mut Buffer, 
    cx: &Context<'_>, 
    item: &Item, 
    is_hidden: bool, 
    parent: Option<&Item>
)

Add extra information about an item such as:

• Stability
• Deprecated
• Required features (through the doc_cfg feature)