syntax_data: {"ast_node_type":"other","tokens":[{"end":70,"kind":"keyword","start":0,"text":"tcx.def_span(tcx.parent(frame_def_id))"}]}
source_snippet:                                 tcx.def_span(tcx.parent(frame_def_id))
context_before:                             let coroutine_span: Span = if frame_coroutine_kind.is_fn_like() {
context_after:                             } else {