syntax_data: {"ast_node_type":"other","tokens":[{"end":76,"kind":"keyword","start":0,"text":"build_pin_fut(tcx,"}]}
source_snippet:                 build_pin_fut(tcx, body, fut_place, UnwindAction::Continue);
context_before:             let (pin_bb2, fut_pin_place2) =
context_after:             let drop_switch_block = build_poll_switch(