Obfuscation

BRANK

2012/01/10Late PromisesFor a long while now, I've showed various people what I consider to be one of the most twisted bits of obfuscated Erlang to have been written. I've had it for a bit over a year, and showed it to a bunch of Erlang people back at the Erlang User Conference in Sweden back in 2011.I then promised to write a blog post about it and explaining how I wrote it, which I promptly deferred to later in one brave act of procrastination. I decided to finally put the whole thing together, between the writing of a new Learn You Some Erlang chapter, the formatting of an older one for a publisher, and work.The code you'll see below is something I wrote when I was still working for Erlang Solutions Ltd. (I now work for a place called BLOOM Digital Platforms, still in Erlang). When working for ESL, I would spend quite some time traveling around the world to go teach courses about Erlang to different people and businesses. This did include its share of long airport waiting times, lon…