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<div class="docblock item-decl"><pre class="rust fn"><code>pub fn next_u64_via_fill&lt;R:&nbsp;<a class="trait" href="../trait.RngCore.html" title="trait rand_core::RngCore">RngCore</a> + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>&gt;(rng: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;mut </a>R) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a></code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Implement <code>next_u64</code> via <code>fill_bytes</code>, little-endian order.</p>
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