The Future of Ruby

www.af83.com

af83 France15 rue poissonnière, 75002 Paris+33 1 42 72 33 [email protected]

af83 USA1436 A Howard St. CA 94103 San FranciscoUnited States

Ruby 1.9The Future of Ruby?

Bruno MichelRMLL, Bordeaux, 07/08/2010

mailto:[email protected]

2Copyright © 2010 af83 All Rights Reserved

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/

http://github.com/nono

http://twitter.com/brmichel

http://blog.menfin.info/


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Agenda


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


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


What's New

FibersFuturePresentOrigin


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)


Questions?

www.af83.com

af83 France15 rue poissonnière, 75002 Paris

+33 1 42 72 33 [email protected]

af83 USA1436 A Howard St.

CA 94103 San FranciscoUnited States

Technology

The Future of Ruby