[erlang-questions] [ANN] TryErl: run Erlang code online

Roberto Aloi prof3ta@REDACTED
Wed Feb 11 13:50:27 CET 2015

Awesome stuff. I would consider migrating the tryerlang.org tutorials to
your sandbox, to remove many of its current limitations.
Is command evaluation available through an API?

On 11 February 2015 at 13:24, Сергей Прохоров <seriy.pr@REDACTED> wrote:

> I'm glad to announce a service, which allow to run arbitrary Erlang code
> from your browser. For now it is there:
> http://tryerl.seriyps.ru/
> How it works
> Each request is handled by Cowboy web server, which launches new Erlang VM
> instance per request inside lightweight linux container, based on
> https://github.com/thestinger/playpen. There are restrictions on
> networking, memory and execution time, but nothing else.
> What does it have
> As you already heard, there is erlang code evaluation, but also
> compilation to several intermediate formats, like core erlang, macros
> expanding, beam and erlang assemblers and so on. And all this can be
> launched under any erlang release version (for now it's only the latter 8,
> but I can add more by demand).
> Of course, there is 'pastebin' functionality, so you can save and share
> snippet with somebody else.
> Possible use-cases:
> * Explore code compatibility with all Erlang releases
> * Share runnable erlang snippet with somebody
> * Try to launch some dangerous code
> * Quickly explore how your code is compiled to erlang asm instructions
> * Maybe, for some online studying / webinars. Students are don't even need
> to install erlang on their computers
> * In blog posts / articles / documentation - to make code snippets more
> interactive
> Idea was borrowed from https://play.rust-lang.org/.
> P.S.: it will be great, if you suggest some funny / interesting code
> snippets for «Examples» section.
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Roberto Aloi
Website: http://roberto-aloi.com
Twitter: @robertoaloi
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