{"ast_node_type":"variable","tokens":[{"end":96,"kind":"keyword","start":0,"text":"&&"}]}
                    && let Some(idx) = c.const_.try_eval_target_usize(self.tcx, self.typing_env)
                    && let Some((_, Rvalue::Use(Operand::Constant(c)))) = statement.kind.as_assign()
                    // Determine the type of the thing we are indexing.