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Pharo: Live objects
for complex
projects
http://stephane.ducasse.free.fr
http://www.pharo.org
A word of presentation
Expert in language design
Traits in Php7.0, Perl60
Influenced Traits in Scala
Expert in maintenance
Program analysis, Metamodels,
visualization, testing, refactorings,
metrics….
Building specific analysis tools for important running
business software (Ada, Cobol, 4D, C, C++, Java…)
Dedicated tools to support decision making process
7
Pharo!
• System: Pure object language + full IDE
• Powerful, elegant and fun to program
• Great community
• Living system under your fingers
• Works on Mac OSX, Linux, iOS, Android,
Windows, Pi
• 100% MIT
Elegant!
• Full syntax on a postcard
• Simple and powerful objet model
Full Syntax!
Yes the full Syntax!
Full Syntax!
Full Model!
Dynamically typed
Everything is an object instance of a class
All methods are public virtual
All attributes are protected
Single Inheritance
Fully Written in Itself
• Everything is written in Pharo
• One simple syntax/model to access everything
Pharo is highly immersive
Immersive
Pharo is not a blackbox
Pharo is fully inspectable and reflective
You can get immersed in objects
Immersed and interacting
You can interact with objects
We can do the same with
web app, sockets, networks,
sensors, living programing….
Our goal...
A powerful engine
to invent (y)our future
An ecosystem where
innovation/business bloom
… that **you** can make money with
Pharo.
… to be able to invent solutions to
existing problems.
… a powerful innovative dynamic
language where we can build (y)our
future.
We are a cool community
• Uni. of Buenos Aires • Uni. of Bern • Uni. of
Maroua • Uni. of Brussels • Ecole des Mines de
Douai • Uni. de Savoie • Ivan Franko Nat. Uni. •
Czech Technical Uni. • CULS Prague

• Uni. of Quilmes • Uni. of La Plata • Northern
Michigan Uni. • Uni. Technologica Nacional (UTN) •
Uni. Catholic of Argentina • Uni. of Santiago • Uni.
Policnica de Catalunya • Uni. de Bretagne
Occidentale • Uni. of Tomsk • Uni. of Fernhagen • IT
University of Copenhagen • Uni. Cat del Sacro
Cuore of Brescia • Uni. of Yaounde • Uni. of Saint-
Louis • Uni. of Lomé • INFI • Uni. of Lyon • Uni. of
Cagliari • Uni. of Cordoba
More Pharo's Teachers
Lafhis (AR)
SCG (CH)

CAR (FR)

RMOD (FR)
Ummisco (IRD)
Reveal (CH)
Lysic (FR)
CEA-List (FR)
Uqbar (AR)
OC (FR)
CCMI-FIT (CZ)
ASERG (BR)
Pleiad (CL)
Research Groups
Some
Success Stories
LAMRC
Back-End Wafer-Level Packaging
Your mobile hardware as
a high-chance to have
been produced by a
robot controlled via a
smalltalk
50% microprocessors
of your mobile/PC/tablet
LAMRC
Back-End Wafer-Level Packaging
Your mobile hardware as
a high-chance to have
been produced by a
robot controlled via a
smalltalk
Starting to experiment
with Pharo
Pharo in ATM like Device in Moscow
Now we can say it
Online marketplace
raised 4.7 M$
Network Monitoring
for small ISPs
Deploy Pharo
on the cloud in 3 min
CMS with full history
Distributed
Resources
Management
Continuous API Testing
keep your services under control 24/7
Norbert Hartl norbert@2denker.de
www.2denker.de
Server Testing
Truck fleet monitoring
Pharo as a server
240 days as up time
WEBDRUCK.CH
Web-To-Print Solution
• Design and create
individual printed
matter
• eShop with credit
card payment
• High quality PDF
output with Printing
Process integration
• Thousands of orders
for seven Swiss
printing companies
Quuve: Investment Portfolio
http://debrispublishing.com
Free Software Mobile
Communication solutions
Programming environment for
Programmable Logic Controllers
NTed: disaster scenario
recovery
iBizLog - http://www.ibizlog.com
A product by Smallworks
Full system developed
in 5 months one dev
(discontinued)
Works on linux, mac, windows,
android, OLPC
Sophisticated analysis platform
more than 200 men/years
ObjectProfile
produces visualizations &
analysis tools
Developed in 3 months one dev
Sold to another bank
Java team estimated 2 years
Deployed business model
did not work
Can develop a complex
analysis in 3 months
Manage travel costs
To handle return mails
in Switzerland
Since may 2008
Pharo 5.0 - Apr 2016 100 commiters (1600 issues closed)
Pharo 4.0 - Apr 2015 70 commiters (1271 issues closed…)
Pharo 3.0 - Apr 2013 (2364 issues closed)
Pharo 2.0 - Apr 2013 (1727 issues closed)
Pharo 1.4 - Apr 2012 (860 updates)
Pharo 1.3 (700 updates)
Pharo 1.2 - mar 2011 (500 updates)
Pharo 1.1 - jul 2010 (410 updates)
Pharo 1.0 - oct 2009 (470 updates)
Pharo is our vehicle
We improve it everyday
Of course not
everything
is perfect :)
But it feels like
Pharo
is yours
Less is more!
No constructors, no static methods, no operators
No type declaration, no primitive types,
No interfaces, no need for factory
No packages/private/protected modifiers
No parametrized types
No boxing/unboxing
Still powerful
A Pure OO World
Only objects +
messages + closures!
mouse, booleans, arrays, numbers, strings, windows, scrollbars, canvas, files, trees, compilers, sound, url, socket, fonts, text,
collections, stack, shortcut, streams, …
Amazing moldable
tools
Customized object
interaction/presentation
Hot update on the spot
customizable debugger
Hot update on the spot
customizable debugger
The Pharo Stack is Gorgeous
• Seaside, Rest, Zinc Rest, Illiad, Aida, Reef
• Magritte (meta application generator)
• STON, JSON, LDAP...
• Zinc, Zodiac(HTTPS), Oauth, ...
• mySql/postgres… / NoSQL/ Mongo /
Gemstone :)
Dynamic Web Applications with
Seaside
http://book.seaside.st
• A powerful, innovative and flexible framework
• Dedicated to build complex Web applications
• Live coding and debugging
• Support reusable Web components
• Secure by default
• Web 2.0 support (Ajax, Reef, ...)
• REST integration
Concentrate on
your application ...
... no manual
request parsing
... no XML
configuration files
Natural Flow
We don’t think in
pages ...
..., but in stateful
components
Valid
Source:stock.xchng,AlNakib
Secure by default
no injection
Development tools
http://books.pharo.org
Pharo by Example
http://books.pharo.org
translated to french, merci!
translated to spanish, gracias!
translated to japanese, !
Currently updated to Pharo 50
Deep into Pharo
http://books.pharo.org
Some advanced topics
Libraries
Core language
Tools
Entreprise Pharo
http://books.pharo.org
Web related
Encodings,
Mustache
JSON
WebSockets
HTTP/HTTPS
Dynamic Web with Seaside
http://book.seaside.st
Full framework explained
DSL + Call:/answer:
Automatic form generation
Deployment
Numerical Methods
https://github.com/SquareBracketAssociates/
NumericalMethods
Data mining
Clustering
Iterative algorithms
Series
Statistical analysis
Fun, simple
Pure & elegant
Productive
Empowering
Addictive
Full access
Try Pharo now!
http://pharo.org/download

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Pharo: Programming in an Immersive World (Stéphane Ducasse Technology Stream)