 number in range [0, 1) is &gt;= 0.9</span>
<span class="mdzsyn-comment"># (math/random evaluates to a value between 0 and 1)</span>
(<span class="mdzsyn-coresym">while</span> (<span class="mdzsyn-coresym">&gt;</span> <span class="mdzsyn-number">0.9</span> (<span class="mdzsyn-coresym">math/random</span>))
  (<span class="mdzsyn-coresym">print</span> <span class="mdzsyn-string">"..."</span>))</code></pre><p>Besides these special forms, Janet has many macros for both conditional testing
and looping that are 