{"ast_node_type":"variable","tokens":[{"end":78,"kind":"keyword","start":0,"text":"let"}]}
                let align = sized_part_align.max(unsized_part_align) as isize;
                    self.size_align_of_unsized(&last_field_ty, metadata, locals)?;
                let size = (sized_part_size + unsized_part_size) as isize;