span class="token punctuation">(</span><span class="token string">'player'</span><span class="token punctuation">)</span>
    <span class="token punctuation">)</span><span class="token punctuation">;</span>

    <span class="token comment">// wrap asynchronous call in run loop</span>
    <span class="token function">run</span><span class="token punctuation">(</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">=></span> player<span class="token