Elixir Introduction

Transcript

1. elixir
2. What is elixir ? + =
3. Agenda 1.  History 2.  Features 3.  Tools 4.  Frameworks and libraries 5.  Resources
4. Erlang •  created in 1986 by Ericsson •  open sourced in 1998 •  based on Prolog •  battle tested
5. Erlang VM features •  massively concurrent •  fault tolerant – “Let it crash” philosophy •  distributed •  hot code swapping •  soft real time •  garbage collected
6. Who uses Erlang ? •  Ericsson •  Amazon •  Facebook •  Goldman Sachs •  Whatsapp
7. Elixir history •  created in 2012 •  created by Jose Valim
8. Who uses elixir ? •  BT •  Pinterest •  Puppet Labs •  Lexmark •  ThoughtBot •  BrightCove
9. Elixir in a nutshell •  functional •  concurrent •  syntax inspired by Ruby and Clojure •  meta programming •  macros •  protocols
10. Elixir in a nutshell •  UTF-8 binaries strings •  first class documentation •  first class regular expressions •  pattern matching
11. Basic types •  integer / float •  boolean •  atom •  string •  list •  tuple
12. Higher-level Types •  Map •  Keyword List •  HashDict •  HashSet •  Range •  IO List
13. Map
14. Range
15. Modules
16. Functions
17. Functions
18. Pipe operator
19. Pipe operator
20. Control Flow •  pattern matching •  conditionals •  loops
21. Pattern matching
22. Pattern matching
23. Pattern matching
24. Guards
25. Classical branching •  if/else and unless/else •  cond •  case •  loops through recursion
26. Higher-order functions •  Enum module •  each •  map •  reduce •  filter •  etc
27. Comprehensions
28. Structs
29. Protocols
30. Concurrency •  Actor model based (CSP) •  Lightweight processes •  Links •  Tasks •  Agents •  OTP
31. Concurrency
32. Concurrency
33. OTP
34. Fault tolerance
35. Frameworks and libs •  ExUnit and ExDoc/Test •  Phonenix •  Ecto •  Cowboy •  OTP / ETS •  Mnesia
36. Tools •  iex •  exdoc •  mix •  hex •  dialyzer •  exrm
37. Resources •  http://elixir-lang.org •  http://hex.pm •  http://phoenixframework.org
38. Resources •  Programming Elixir •  Elixir in Action •  Introducing Elixir •  The Little Elixir and OTP Guidebook •  Etudes for Elixir •  Metaprogramming Elixir •  Programming Phoenix
39. Resources •  Elixir Sips •  LearnElixir.tv •  Elixir School
40. Demo •  Phoenix App •  :observer.start •  exdoc
41. Thanks