syntax_data: {"ast_node_type":"variable","tokens":[{"end":100,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:     let storage_dead = Statement::new(source_info, StatementKind::StorageDead(fut_pin_place.local));
context_before:     );
context_after:     let unreachable_block = insert_term_block(body, TerminatorKind::Unreachable);