Post on 27-May-2015
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Ruby 1.9The Future of Ruby?
Bruno MichelRMLL, Bordeaux, 07/08/2010
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Introduction
Bruno MichelLead 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/nonohttp://twitter.com/brmichelhttp://blog.menfin.info/
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Agenda
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The Origin
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Yukihiro Matsumoto (aka Matz)
First version in 1995
Inspired by LISP, Perl, Smalltalk, Eiffel...
Object-oriented
Dynamic typing
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The Origin
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Emphasizes human, rather than computer, needs
Principle Of Least Astonishment (POLA)
Programmer productivity & fun
Specificities
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Script / Imperative
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Object
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Functional
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Present
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New Version
Ruby 1.8Currently 1.8.7
Stable, works fine
But slow
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YARV
Yet Another Ruby VMA 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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Versions
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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What's New
Performance
Ruby 1.9 is 3x to 5x faster than Ruby 1.8
It depends of the benchmarks
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What's New
EncodingFuturePresentOrigin
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What's New
FibersFuturePresentOrigin
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What's New
Hash Improved
Hash are now ordered
New syntax for hash
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What's New
Integration of some popular libs:
● Rubygems
● JSON
Many new methods on the basic classes
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Present
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Other Rubies
● Rubinius
● Ruby
● IronRuby
● MacRuby
● etc.
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RVM
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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And after?
● Performance
● Multiple VM
● Nice features
● Selector namespaces
● Traits
● More functional
● Lazy evaluation
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Even after?
● And after?
● Ruby 2.0
● But it's a myth!
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Present
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Ruby 1.8.7 RVM
Future: Ruby 1.9 (or maybe an alternative implementation)
Ruby 1.9
(or maybe an alternative
implementation)
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Questions?
www.af83.com
af83 France15 rue poissonnière, 75002 Paris
+33 1 42 72 33 32contact@af83.com
af83 USA1436 A Howard St.
CA 94103 San FranciscoUnited States