{"ast_node_type":"other","tokens":[{"end":79,"kind":"keyword","start":0,"text":"ProjectionElem::ConstantIndex"}]}
            ProjectionElem::ConstantIndex { offset, min_length, from_end } => {
            ProjectionElem::Index(idx) => rustc_middle::mir::PlaceElem::Index((*idx).into()),
                rustc_middle::mir::PlaceElem::ConstantIndex {