Elixir@SFI
1 like687 views
The document discusses Elixir, a functional programming language designed for concurrent, distributed, and fault-tolerant applications. It emphasizes explicit state management, transformation over mutation, and features such as compatibility, extensibility, and enhanced productivity through tools and documentation. The content includes references to performance metrics and language design principles, advocating for the creation of new tools and languages from existing ones.
Elixir@SFI
- 4. • Explicit instead of implicit state • Transformation instead of mutation
- 9. http://blog.whatsapp.com/index.php/ 2012/01/1-million-is-so-2011/ 2 million connections on a single node
- 10. Intel Xeon CPU X5675 @ 3.07GHz 24 CPU - 96GB Using 40% of CPU and Memory
- 11. Idioms
- 13. Sequential code
- 15. elixir
- 16. elixir
- 21. •Concurrent •Let it crash •Fault tolerant •Distributed?
- 22. elixir
- 27. Now we need to go meta. We should now think of a language design as being a pattern for language designs. A tool for making more tools of the same kind. Guy Steele - “Growing a language” at ACM OOPSLA 1998
- 28. defmacro unless(expr, opts) do quote do if(!unquote(expr), unquote(opts)) end end unless(is_number(x), do: raise(“oops”)) elixir
- 29. defmodule MathTest do use ExUnit.Case test "basic operations" do assert 1 + 1 == 2 end end elixir
- 31. from p in Post, where: p.published_at < now and p.author == “José”, order: p.created_at elixir
- 33. •First-class documentation •Tooling (ExUnit, IEx, Mix) •Hex packages
- 34. Demo time!
- 35. elixir-lang.org