{"ast_node_type":"other","tokens":[{"end":50,"kind":"keyword","start":0,"text":"walk_list!(visitor,"}]}
    walk_list!(visitor, visit_generic_arg, *args);
    let GenericArgs { args, constraints, parenthesized: _, span_ext: _ } = generic_args;
    walk_list!(visitor, visit_assoc_item_constraint, *constraints);