syntax_data: {"ast_node_type":"variable","tokens":[{"end":43,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:             let (pin_bb2, fut_pin_place2) =
context_before:             let drop_yield_block = insert_term_block(body, TerminatorKind::Unreachable); // `kind` replaced later to yield
context_after:                 build_pin_fut(tcx, body, fut_place, UnwindAction::Continue);