<p>In <a href="https://github.com/mlpack/mlpack/pull/694#discussion_r70025235">src/mlpack/core/data/dataset_info_impl.hpp</a>:</p>
<pre style='color:#555'>&gt; +  {
&gt; +    std::ostringstream oss;
&gt; +    oss &lt;&lt; &quot;DatasetMapper&lt;PolicyType&gt;::UnmapValue(): string &#39;&quot; &lt;&lt; string
&gt; +        &lt;&lt; &quot;&#39; unknown for dimension &quot; &lt;&lt; dimension;
&gt; +    throw std::invalid_argument(oss.str());
&gt; +  }
&gt; +
&gt; +  return maps[dimension].first.left.at(string);
&gt; +}
&gt; +
&gt; +template&lt;typename PolicyType&gt;
&gt; +template&lt;typename eT&gt;
&gt; +inline void DatasetMapper&lt;PolicyType&gt;::MapTokens(
&gt; +                                        const std::vector&lt;std::string&gt;&amp; tokens,
&gt; +                                        size_t&amp; row,
&gt; +                                        arma::Mat&lt;eT&gt;&amp; matrix)
</pre>
<p>Updated</p>

<p style="font-size:small;-webkit-text-size-adjust:none;color:#666;">&mdash;<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/694/files/a8818316a04506530e2269a2e0a32ba2f6a1c83b#r70025235">view it on GitHub</a>, or <a href="https://github.com/notifications/unsubscribe/AJ4bFNjd0Q2oRJWuze1XnmrGEp2xrIotks5qTdgfgaJpZM4I07W-">mute the thread</a>.<img alt="" height="1" src="https://github.com/notifications/beacon/AJ4bFGRA4dFQZ-QXy9OlNEiQLkTnl6AZks5qTdgfgaJpZM4I07W-.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/694/files/a8818316a04506530e2269a2e0a32ba2f6a1c83b#r70025235"></link>
  <meta itemprop="name" content="View Pull Request"></meta>
</div>
<meta itemprop="description" content="View this Pull Request on GitHub"></meta>
</div>