<p>In <a href="https://github.com/mlpack/mlpack/pull/686#discussion_r69383375">src/mlpack/methods/ne/genome.hpp</a>:</p>
<pre style='color:#555'>> + return aLinkGenes.size();
> + }
> +
> + // Whether specified neuron id exist in this genome.
> + bool HasNeuronId(ssize_t id) const {
> + for (ssize_t i=0; i<NumNeuron(); ++i) {
> + if (aNeuronGenes[i].Id() == id) {
> + return true;
> + }
> + }
> +
> + return false;
> + }
> +
> + // Get neuron by id.
> + NeuronGene GetNeuronById(ssize_t id) {
</pre>
<p>We could avoid probably expensive copy (NeuronGene), by using a reference:</p>
<p><code>void GetNeuronById(ssize_t id, NeuronGene& gene)</code></p>
<p style="font-size:small;-webkit-text-size-adjust:none;color:#666;">—<br />You are receiving this because you are subscribed to this thread.<br />Reply to this email directly, <a href="https://github.com/mlpack/mlpack/pull/686/files/554a279b0089e4385dfb40077e578d6ae2a42ece#r69383375">view it on GitHub</a>, or <a href="https://github.com/notifications/unsubscribe/AJ4bFA0pDtO3GCT5KTcgwbws_g2oxeh9ks5qRuRrgaJpZM4IwJa6">mute the thread</a>.<img alt="" height="1" src="https://github.com/notifications/beacon/AJ4bFCd2cNpLj3dqf89LsCWgVoMvVUH5ks5qRuRrgaJpZM4IwJa6.gif" width="1" /></p>
<div itemscope itemtype="http://schema.org/EmailMessage">
<div itemprop="action" itemscope itemtype="http://schema.org/ViewAction">
<link itemprop="url" href="https://github.com/mlpack/mlpack/pull/686/files/554a279b0089e4385dfb40077e578d6ae2a42ece#r69383375"></link>
<meta itemprop="name" content="View Pull Request"></meta>
</div>
<meta itemprop="description" content="View this Pull Request on GitHub"></meta>
</div>