Or just run it with FastR (<a href="https:&#x2F;&#x2F;bitbucket.org&#x2F;allr&#x2F;fastr" rel="nofollow">https:&#x2F;&#x2F;bitbucket.org&#x2F;allr&#x2F;fastr</a>). Here it is in action (running with JS and C in the same REPL): <a href="https:&#x2F;&#x2F;dl.dropboxusercontent.com&#x2F;u&#x2F;292832&#x2F;useR_multilang_demo.mp4" rel="nofollow">https:&#x2F;&#x2F;dl.dropboxusercontent.com&#x2F;u&#x2F;292832&#x2F;useR_multilang_de...</a>