ession/index.html">Expression</a><span class="token operator">&lt;</span><a href="-when.html">R</a><span class="token operator">&gt;</span></span></span><span class="token punctuation">)</span><span class="token operator">: </span><a href="../-value-case-when/index.html">ValueCaseWhen</a><span class="token operator">&lt;</span><a href="index.html">T</a><span class="token punctuation">, </span><a href="-when.html">R</a><span class="token operator">&gt;</span></div><div class="brief "><p class="paragraph">Add