syntax_data: {"ast_node_type":"other","tokens":[{"end":92,"kind":"keyword","start":0,"text":"pre_link_arg:"}]}
source_snippet:     pre_link_arg: (/* redirected to pre_link_args */) = ((), parse_string_push, [UNTRACKED],
context_before:         "enable polonius-based borrow-checker (default: no)"),
context_after:         "a single extra argument to prepend the linker invocation (can be used several times)"),