Code completion for external libraries for Spacemacs
<p>In IntelliJ with Cursive plugin we have <a href="https://www.jetbrains.com/help/idea/2016.1/basic-code-completion-completing-names-and-keywords.html" rel="nofollow noreferrer">code completion</a>, which</p>

<blockquote>
  <p>helps you complete the names of classes, methods, fields, and keywords within the visibility scope. When you invoke code completion, IntelliJ IDEA analyses the context and suggests the choices that are reachable from the current position of the caret.</p>
</blockquote>

<p>When a project is indexed this also finds methods in imported libraries:</p>

<p><img src="https://i.stack.imgur.com/DygBb.jpg" alt="Working "></p>

<p>Here we pop up all methods available in <code>reagent.core</code> after I type <code>reagent/</code>.</p>

<p>I want to have the same behaviour in Spacemacs with Clojure mode. What I get is only the already defined names in the same file:</p>

<p><img src="https://i.stack.imgur.com/fHBaY.jpg" alt="Spacemacs does not show all possibilities"></p>

<p>What I tried is generating a TAGS file with <code>ctags</code> by pressing <code>&lt;SPC&gt; p G</code>. But this seems not equivalent of IntelliJ's indexing since it shows other completions, like so:</p>

<p><img src="https://i.stack.imgur.com/8MxZ1.jpg" alt="enter image description here"></p>

<p>Is it possible to display the completions from imported libraries in Spacemacs Clojure in the same way as IntelliJ Cursive can? And if so, how?</p>