Learning More about Ruby by Reading Ruby Source Code

2. 高見 龍 です

3. 高 見龍 です
@eddiekao

4. Code Reading
Learning more about Ruby by Reading Ruby Source Code
Chimpr

5. I come from Taiwan
photo by Fishtail@Taipei

6. photo by J o n a G r a p h Y 

7. photo by HeyNix

8. photo by randomwire

11. I’m a Flash guy (≈ 8 years)
I’m a Python guy (≈ 2 years)
I’m a Ruby guy (≈ 4 years)
I’m a iOS app guy (≈ 2 years)

12. But not a C guy, yet!

13. Ruby > Rails

14. “I’m a SHOW OFF person”

15. “Experience Sharing is fun”

16. Current Status
80% iOS app, 20% Ruby/Rails

17. 100% Ruby Lover!

19. Web Development Conference in Taiwan

21. 2 days, 3 tracks session

22. 750+ attendees

23. all tickets sold out in 4 mins

24. WebConf Taiwan 2014

25. Will be held on Jan 2014

26. 850+ attendees in 2014, hopefully.

27. All about web development

28. 楽しい

29. http://webconf.tw

30. Code Reading

31. Why read source code?
How to start?
What I learned?
Anything interesting?

32. Why read source code ?

33. Ian Ruotsala

34. “once you start digging around in someone
else’s code base, you’ll learn a lot about
your own strengths and weaknesses”
- Ruby Best Practice
http://blog.rubybestpractices.com/posts/gregory/005-code-reading-stdlib.html

35. See how the Core Team write Ruby

36. Read the source, Luke!
photo by chaines106

37. source code は友達
source http://kyaraben.seesaa.net/article/168967765.html

38. Contribution!

39. Committer
in my dream!

40. FUN! :)

41. Requirement ?

42. C language

43. “What if I don’t have any skill of C?”

44. “Just Learn It!”

45. Curiosity and Passion

46. Where to Start ?

47. get source files!

48. download from Ruby website,
or clone from github

49. Ruby 1.9.2 p290

51. Quick browsing.. :)

52. *c + *h
. .
*rb (stdlib)
.

53. Let’s have some fun!

54. Object
Class
String
Hash
Array

55. “ruby.h”

56. Object => RObject
Class => RClass
String => RString
Array => RArray
Hash => RHash

57. “object.c”

58. Init_XXXX( )

59. “all Class’s class is a Class”

60. “new”

61. class A
def initialize
puts "hello"
end
end
a = A.new

62. Proc

63. How to execute a Proc?

64. proc.call
proc[ ]
proc.yield
proc === 123

65. attributes

66. push v.s. <<

67. Object ID

68. What else?

69. Haskell-like syntax :)

70. head (x:_) = x
tail (_:xs) = xs

71. people = {
"Eddie" => ["green", "eddie@digik.com.tw"],
"Joanne" => ["yellow", "hello@yahoo.com"]
}
people.map { |name, (color, email)|
puts [name, email]
}

72. people = {
"Eddie" => ["green", "eddie@digik.com.tw"],
"Joanne" => ["yellow", "hello@yahoo.com"]
}
people.map { |name, (_, email)|
puts [name, email]
}
parse.y#8277-8299 shadowing_lvar_gen( )

73. Method missing

74. Anything interesting ?

75. Interesting naming.. XD

76. Conclusion

77. “from basic structure”

78. “don’t be afraid of source code”

79. source code は友達
source http://kyaraben.seesaa.net/article/168967765.html

80. References

81. “Rubyソースコード完全解説” (RHG)
by 青木峰郎
http://i.loveruby.net/ja/rhg/book/

82. “Ruby Under a Microscope”
by Pat Shaughnessy
http://patshaughnessy.net/ruby-under-a-microscope

83. Hope we all can become
Jedi Master someday :)
Chimpr

84. 高見 龍 です

85. 以上です。
ご清聴ありがとうございました
thanks for your listening :)

86. Contacts
高見龍
Website
http://www.eddie.com.tw
Blog
http://blog.eddie.com.tw
Plurk
http://www.plurk.com/aquarianboy
Facebook
http://www.facebook.com/eddiekao
Google Plus
http://www.eddie.com.tw/+
Twitter
https://twitter.com/#!/eddiekao
Email
eddie@digik.com.tw
Mobile
+886-928-617-687
photo by Eddie