syntax_data: {"ast_node_type":"other","tokens":[{"end":62,"kind":"keyword","start":0,"text":"\"enable"}]}
source_snippet:         "enable polonius-based borrow-checker (default: no)"),
context_before:     polonius: Polonius = (Polonius::default(), parse_polonius, [TRACKED],
context_after:     pre_link_arg: (/* redirected to pre_link_args */) = ((), parse_string_push, [UNTRACKED],