-section-number">9.5</span> Function bodies</h2>
<p>The body of a function is between an open curly brace (<code>{</code>) and
close curly brace (<code>}</code>). The body may contain local variable declarations at the
top of the function body’s block and these scope the same way as local
variables used in any other statement block.</p>
<p>The only restrictions on statements in function bodies are external,
and determine whether the log probability accumulator or random
number generators are available; se