Code Reading

Learning More about Ruby by Reading Ruby Source Code'

Transcript

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2. 高見 龍 です
   

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3. 高 見龍 です
   @eddiekao
   

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

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5. I come from Taiwan
   photo by Fishtail@Taipei
   

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6. photo by J o n a G r a p h Y 
   

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7. photo by HeyNix
   

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8. photo by randomwire
   

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

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12. But not a C guy, yet!
    

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13. Ruby > Rails
    

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14. “I’m a SHOW OFF person”
    

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15. “Experience Sharing is fun”
    

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

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17. 100% Ruby Lover!
    

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19. Web Development Conference in Taiwan
    

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21. 2 days, 3 tracks session
    

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22. 750+ attendees
    

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23. all tickets sold out in 4 mins
    

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24. WebConf Taiwan 2014
    

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25. Will be held on Jan 2014
    

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26. 850+ attendees in 2014, hopefully.
    

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27. All about web development
    

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28. 楽しい
    

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29. http://webconf.tw
    

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30. Code Reading
    

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

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32. Why read source code ?
    

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33. Ian Ruotsala
    

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34. http://blog.rubybestpractices.com/posts/gregory/005-code-reading-stdlib.html
    “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
    

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35. See how the Core Team write Ruby
    

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36. photo by chaines106
    Read the source, Luke!
    

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

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38. Contribution!
    

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39. Committer
    in my dream!
    

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40. FUN! :)
    

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41. Requirement ?
    

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42. C language
    

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

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44. “Just Learn It!”
    

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45. Curiosity and Passion
    

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46. Where to Start ?
    

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47. get source files!
    

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48. download from Ruby website,
    or clone from github
    

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49. Ruby 1.9.2 p290
    

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51. Quick browsing.. :)
    

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

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53. Let’s have some fun!
    

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54. Object
    Class
    String
    Array
    Hash
    

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55. “ruby.h”
    

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

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57. “object.c”
    

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58. Init_XXXX( )
    

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59. “all Class’s class is a Class”
    

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60. “new”
    

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

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62. Proc
    

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63. How to execute a Proc?
    

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

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65. attributes
    

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66. push v.s. <<
    

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67. Object ID
    

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68. What else?
    

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69. Haskell-like syntax :)
    

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

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

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

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73. Method missing
    

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74. Anything interesting ?
    

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75. Interesting naming.. XD
    

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76. Conclusion
    

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77. “from basic structure”
    

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78. “don’t be afraid of source code”
    

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

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80. References
    

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

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

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

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84. 高見 龍 です
    

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

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

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