{"ast_node_type":"variable","tokens":[{"end":90,"kind":"keyword","start":0,"text":"let"}]}
                        let else_span = fcx.find_block_span_from_hir_id(else_expr.hir_id);
                        let then_span = fcx.find_block_span_from_hir_id(then_expr.hir_id);
                        // Don't suggest wrapping whole block in `Box::new`.