>
<div class="info-desc">
<p><code class="code">init&nbsp;n&nbsp;f</code> returns a fresh byte sequence of length <code class="code">n</code>,
    with character <code class="code">i</code> initialized to the result of <code class="code">f&nbsp;i</code> (in increasing
    index order).</p>
</div>
<ul class="info-attributes">
<li><b>Raises</b> <code>Invalid_argument</code> if <code class="code">n&nbsp;&lt;&nbsp;0</code> or <code class="code">n&nbsp;&gt;&nbsp;</code><a href="Sys.html#VALmax_string_length"><co