{"ast_node_type":"variable","tokens":[{"end":65,"kind":"keyword","start":0,"text":"let"}]}
                    let raw_val = ptr.layout().size.truncate(to);
                    let clif_ty = fx.clif_type(ptr.layout().ty).unwrap();
                    fx.bcx.ins().iconst(clif_ty, raw_val as i64)