r_literal

function_literal ::= identifier</code></pre>

</div>
<div id="statements-3" class="section level3 unnumbered">
<h3>Statements</h3>

<pre><code>
statement ::= atomic_statement | nested_statement

atomic_statement ::=  lhs assignment_op expression &#39;;&#39;
   | expression &#39;~&#39; identifier &#39;(&#39; expressions &#39;)&#39; ?truncation &#39;;&#39;
   | function_literal &#39;(&#39; expressions &#39;)&#39; &#39;;&#39;
   | &#39;increment_log_prob&#39; &#39;(&#39; expression &#39;)&#39; &#39;