{"ast_node_type":"variable","tokens":[{"end":72,"kind":"keyword","start":0,"text":"let"}]}
                    let offset = layout.fields.offset(id).bytes_usize();
                    let ty = ty.assert_ty_ref(Interner); // Tuple only has type argument
                    self.patch_addresses(patch_map, ty_of_bytes, addr.offset(offset), ty, locals)?;