 s;

  const comp = mustache`
<div>
  {{#nest}}
    <span>
      {{text}}
    </span>
  {{/nest}}
</div>
`;

  const template = mustache`
<button onclick="{{add}}">add</button>
<button onclick="{{delete}}">delete</button>
{{#comp}}
  ${comp}
{{/comp}}
`;

  const [reactiveObject, node] = s2({
    add(event) {
      event.preventDefault();
      s.foo = { b: "b", c: "c" };
    },
    delete(event) {
      event.preventDefault();
      delete s.foo;
    },
    comp: computed({
      nest() {
        const { f