{"ast_node_type":"other","tokens":[{"end":62,"kind":"keyword","start":0,"text":"defaults.extend(generic_params.iter_self().map(|(id,"}]}
    defaults.extend(generic_params.iter_self().map(|(id, p)| {
    ctx.diagnostics.clear(); // Don't include diagnostics from the parent.
        let (result, has_default) = handle_generic_param(&mut ctx, idx, id, p, &generic_params);