syntax_data: {"ast_node_type":"import","tokens":[{"end":78,"kind":"keyword","start":0,"text":"\"use"}]}
source_snippet:         "use legacy .ctors section for initializers rather than .init_array"),
context_before:     use_ctors_section: Option<bool> = (None, parse_opt_bool, [TRACKED],
context_after:     use_sync_unwind: Option<bool> = (None, parse_opt_bool, [TRACKED],