iv class="info-desc">
<p><code class="code">set_int64_le&nbsp;b&nbsp;i&nbsp;v</code> sets <code class="code">b</code>'s little-endian 64-bit integer
    starting at byte index <code class="code">i</code> to <code class="code">v</code>.</p>
</div>
<ul class="info-attributes">
<li><b>Since</b> 4.08</li>
</ul>
</div>
<h2 id="bytes_concurrency">Byte sequences and concurrency safety</h2>
<p>Care must be taken when concurrently accessing byte sequences from
    multiple domains: accessing a byte sequence will nev