title: What does an underscore in front of an import statement mean?
body: <p>In <a href="https://github.com/mattn/go-sqlite3/blob/master/_example/simple/simple.go" rel="nofollow noreferrer">this code</a> from go-sqlite3:</p>
  <pre><code>import (
          &quot;database/sql&quot;
          &quot;fmt&quot;
          _ &quot;github.com/mattn/go-sqlite3&quot;
          &quot;log&quot;
          &quot;os&quot;
  )
  </code></pre>
  <p>what does the underscore in the <code>import</code> statement mean?</p>