p.html">boost/hana/fwd/if.hpp</a>&gt;</code></p>
<b>Initial value:</b><div class="fragment"><div class="line">= [](<span class="keyword">auto</span>&amp;&amp; cond, <span class="keyword">auto</span>&amp;&amp; <a class="code" href="group__group-_monad.html#gaaddd3789de43cf989babb10cdc0b447a">then</a>, <span class="keyword">auto</span>&amp;&amp; else_) -&gt; decltype(<span class="keyword">auto</span>) {</div>
<div class="line">        <span class="keywordflow">return</span> tag-dispatched;</div>
<div class="l