the assignment arrow are not
allowed, so the following is invalid.</p>
<pre><code>y
&lt;- 2 # Syntax Error</code></pre>
<p>Lines may also be broken in the middle of sequences declared using the
<code>c(...)</code> notation., as well as between the comma following a
sequence definition and the dimensionality declaration. For example,
the following declaration of a <span class="math inline">\(2 \times 2 \times 3\)</span> array is valid.</p>
<pre><code>y &lt;-
structure(c(1,2,3,
4,5,6,7,8,9,10,11,
12), .Dim = 