3alchemy's Introduction

3Alchemy (FreeAlchemy)

Recording of the freestyle improvised interactive live mob programming Elixir sessions done at the TriCity (3city) Ruby Users Group (TRUG).

3Alchemy stands for free / freestyle alchemy.
Alchemy stands for programming using Elixir.

Goals:

Learning,
Teaching,
Free creativity.

Session Log

Session 0 (2015-04-15)

duration: 1 h
(not recorded)

Has shown some basic Erlang/Elixir semantics and Elixir syntax.

links:

"Learn X in Y minutes Where X=elixir"

Session 1 (2015-05-20)

duration: 2.5 h
command line history: /priv/history/session1.history
code: checkout the first commit (tag: session1)

Has shown:

how to use mix and create a new project using mix new,
how to use tmuxinator for tmux,
IEx,
function, module definition, pattern matching, IO output, etc.
basic concurrency in Elixir/Erlang (spawn, send, receive),
processes that do tasks, processes that hold state, server processes,
:observer.start.

The end result was a MessagePingPongRing that allows to create a ring of processes that exchange messages in turn to each other. New processes and messages can be added to the Ring at any time.

Sample output:

#PID<0.102.0>: #PID<0.100.0> I like
#PID<0.100.0>: #PID<0.101.0> Ruby
#PID<0.101.0>: #PID<0.102.0> Sopot
#PID<0.102.0>: #PID<0.100.0> Gdańsk
#PID<0.100.0>: #PID<0.101.0> I love
#PID<0.101.0>: #PID<0.102.0> Elixr
#PID<0.102.0>: #PID<0.100.0> I don't care
#PID<0.100.0>: #PID<0.101.0> Go
#PID<0.101.0>: #PID<0.102.0> I dislike
#PID<0.102.0>: #PID<0.100.0> Node.js
#PID<0.100.0>: #PID<0.101.0> PHP