e></p>
<p><code>real mean(vector);</code></p>
<p>The first applies to a one-dimensional array of real values and the
second to a vector.</p>
<p>The identity conditions for functions explicitly forbids having two
functions with the same name and argument types but different return
types. This restriction also makes it possible to infer the type of a
function expression compositionally by only examining the type of its
subexpressions.</p>
</div>
<div id="constants" class="section level3 unnumbered">
<h3>Const