1. www.af83.com
af83 France Ruby 1.9
The Future of Ruby?
15 rue poissonnière, 75002 Paris
+33 1 42 72 33 32
contact@af83.com
af83 USA
1436 A Howard St. Bruno Michel
CA 94103 San Francisco
United States
RMLL, Bordeaux, 07/08/2010

2. Introduction
Bruno Michel
Lead Developer R&D at af83
As Lead Developer R&D at af83, a significant part of Bruno's work
is to test, create and contribute to cutting edge Web technologies,
which allows him to anticipate the most promising open source
projects. He is also the maintainer of numerous Web-centric
projects based on Ruby.
Active Member of the French Ruby Association, Bruno is also one
of the webmasters of LinuxFr.org.
http://github.com/nono
http://twitter.com/brmichel
http://blog.menfin.info/
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3. Agenda
Origin Present Future
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4. The Origin
Origin Present Future
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5. The Origin
Origin Present Future Yukihiro Matsumoto (aka Matz)
First version in 1995
Inspired by LISP, Perl, Smalltalk, Eiffel...
Object-oriented
Dynamic typing
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6. Specificities
Origin Present Future Emphasizes human, rather than computer, needs
Principle Of Least Astonishment (POLA)
Programmer productivity & fun
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7. Script / Imperative
Origin Present Future
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8. Object
Origin Present Future
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9. Functional
Origin Present Future
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10. Present
Origin Present Future
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11. New Version
Origin Present Future
Ruby 1.8
Currently 1.8.7
Stable, works fine
But slow
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12. YARV
Origin Present Future
Yet Another Ruby VM
A new implementation of Ruby
by Koichi Sasada (aka ko1n)
2005 and 2006 : unofficial project
1st January 2007 : the new official Ruby 1.9
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13. Versions
Origin Present Future 25th December 2007 : 1.9.0
A milestone
Not ready for main usage
30th January 2009 : 1.9.1
Claimed as stable
But a lot of bugs (segfaults)
Many libs not ported to Ruby 1.9
Last week : 1.9.2-rc
In one month : 1.9.2
Should be the good one
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14. What's New
Origin Present Future Performance
Ruby 1.9 is 3x to 5x faster than Ruby 1.8
It depends of the benchmarks
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15. What's New
Origin Present Future Encoding
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16. What's New
Origin Present Future Fibers
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17. What's New
Origin Present Future Hash Improved
Hash are now ordered
New syntax for hash
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18. What's New
Origin Present Future Integration of some popular libs:
● Rubygems
● JSON
Many new methods on the basic classes
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19. Present
Origin Present Future
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20. Other Rubies
Origin Present Future ● Rubinius
● Ruby
● IronRuby
● MacRuby
● etc.
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21. RVM
Origin Present Future
Ruby Version Manager
● A shell script, minimal dependencies
● Multiple rubies in the same environment
● Takes care of the gems
● rvm install 1.9.2
● rvm use 1.9.2
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22. And after?
Origin Present Future
Ruby 2.0
● Performance
● Multiple VM
● Nice features
● Selector namespaces
● Traits
● More functional
● Lazy evaluation
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23. Even after?
Origin Present Future ● And after?
● Ruby 2.0
● But it's a myth!
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24. Present
Future: Ruby 1.9 (or maybe an alternative implementation)
Origin Present Future
Ruby 1.8.7 RVM Ruby 1.9
(or maybe an
alternative
implementation)
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25. Questions?
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26. www.af83.com
af83 France
15 rue poissonnière, 75002 Paris
+33 1 42 72 33 32
contact@af83.com
af83 USA
1436 A Howard St.
CA 94103 San Francisco
United States