• https://elixir-lang.org/getting-started/introduction.html
• install elixir on fedora

sudo dnf install elixir

• start interactive elixir session `iex`
• quit elixir `press C-c twice`
• run elixir from file `elixir sample.exs`
• format elixir file `mix format sample.exs`
• https://www.youtube.com/watch?v=OR2Gc6_Le2U&feature=youtu.be
  • 2019 fred herbert
  • sys:trace
  • sys:log 27:40
  • sys:get_status
  • microstate accounting
  • recon_trace:calls
  • sudo perf top -p `pgrep beam`
  • dtrace, systemtap
    • dyntrace module
  • property-based testing with PropEr, Erlang and Elixir
  • rebar3 shell
  • iex -S mix test
  • IEx.pry()
• https://www.youtube.com/watch?v=JvBT4XBdoUE
  • sasa juric
  • shows how erlang/beam can be debugged

Changelog

20210123	incompatible change in receive semantics, old behaviour available as semantics_old

Examples

	comment	link
01_first	learn about semantics
02_mix_intro	try mix with bucket	https://elixir-lang.org/getting-started/mix-otp/supervisor-and-application.html
03_phx_intro	start phoenix example (no live)	https://hexdocs.pm/phoenix/up_and_running.html
04_book	failing to find interesting example, some emacs	several books
05_todo	How to Create a Todo List with Phoenix LiveView (Updated for Phoenix 1.5)	https://www.youtube.com/watch?v=xgz-HTot3R8
06_live	Chris McCord - Keynote: Phoenix LiveView	https://www.youtube.com/watch?v=8xJzHq8ru0M
07_excercise	some basic examples	https://github.com/seven1m/30-days-of-elixir
08_minimal_live	translate live app that mix generates into s-expressions
09_minimal_live_2	modify 08 to do something useful

Reminder

• these are the same, I always forget this. a list of tuples in elixir is like an alist in common lisp.

render(conn, "world.html", name: name)
render(conn, "world.html", [name: name])
render(conn, "world.html", [{:name, name}])