{"ast_node_type":"other","tokens":[{"end":70,"kind":"keyword","start":0,"text":".unwrap_or((mplace.layout.size,"}]}
            .unwrap_or((mplace.layout.size, mplace.layout.align.abi));
            .size_and_align_of_val(&mplace)?
        // If there is no padding at all, we can skip the rest: check for