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Introduction to
Rubinius
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Me
Aviv Ben-Yosef
@avivby http://codelord.net
Coder @ BillGuard
truby podcast http://rauchy.net/truby
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Ruby in Ruby
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Started by Evan
Phoenix in 2006
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Intention: Ruby as
1st class language
And thread safety, and transparency,
and...
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Ruby
Implementations
MRI/CRuby JRuby Rubinius REE MacRuby mruby
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Rubinius Status
1.8.7 compatible, quickly gaining on 1.9.2
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How do you implement a
language with no spec?
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RubySpec
saving us from language spaghetti
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spec/ruby/language/if_spec.rb
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Why should you
care?
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It’s awesome
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Learn Ruby’s inner-workings
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Super awesome open-
source management
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rvm install rbx --1.9
start using it today!
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Quick hacking
session
Let’s remove “else” from “unless”!
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Find relevant files
$ git ls-files | grep unless
spec/ruby/language/unless_spec.rb
$ git ls-files | grep grammar
lib/ext/melbourne/grammar19.y
...
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No content
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No content
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... And then just hunt down
all the unless..else in rbx
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A dozen “rake spec”s later
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Do it yourself
http://bit.ly/JweRYU