{"ast_node_type":"other","tokens":[{"end":72,"kind":"keyword","start":0,"text":"Rvalue::NullaryOp(NullOp::OffsetOf(indices),"}]}
            Rvalue::NullaryOp(NullOp::OffsetOf(indices), container) => {
            }
                let fail_out_of_bounds = |this: &mut Self, location, field, ty| {