{"ast_node_type":"other","tokens":[{"end":32,"kind":"keyword","start":0,"text":"BinOp::BitOr"}]}
                    BinOp::BitOr
                    BinOp::BitAnd if arg_value == 0 => (FlatSet::Elem(arg_scalar), FlatSet::Bottom),
                        if arg_value == layout.size.truncate(u128::MAX)