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  </div>
  <div class="platform-hinted " data-platform-hinted="data-platform-hinted"><div class="content sourceset-dependent-content" data-active="" data-togglable=":exposed-core/main"><div class="symbol monospace"><span class="token keyword">fun </span><span class="token operator">&lt;</span><a href="is-not-null.html">T</a><span class="token operator">&gt; </span><a href="-expression/index.html">Expression</a><span class="token operator">&lt;</span><a href="is-not-null.html">T</a><span class="token o