{"ast_node_type":"variable","tokens":[{"end":46,"kind":"keyword","start":0,"text":"let"}]}
                    let repr_characteristica =
                    // If the types differ in their packed-ness, align, or simd-ness they conflict.
                        |def: AdtDef<'tcx>| (def.repr().pack, def.repr().align, def.repr().simd());