{"ast_node_type":"function","tokens":[{"end":94,"kind":"keyword","start":0,"text":"fn"}]}
fn def_id_debug(def_id: rustc_hir::def_id::DefId, f: &mut fmt::Formatter<'_>) -> fmt::Result {
/// in `rustc_middle` otherwise.
    write!(f, "DefId({}:{}", def_id.krate, def_id.index.index())?;