seFloat</code> has the signature <code>String -&gt; Number</code>, i.e. it takes a string as input and returns a number as output.</p>
<p>Functions with multiple arguments are denoted with parenthesis: <code>(String, Array) -&gt; Number</code></p>
<hr>
<h3 id="component-signatures"><a href="#component-signatures">Component signatures</a></h3>
<p>Components are denoted via calls to <code>m</code>, but with the initial selector argument set to a constant named in the relevant prose:</p>
<p><code>vnode = m(m.r