IronRuby

IRONRUBY Alex Moore Consultant, HMB Inc.

ABOUT ME HMB .NET developer, some Java. On-again off-again relationship with Ruby since OSU

KON’NICHI WA, IRONRUBY IronRuby v1.0 Released April 12th, 2010 Compatible with 1.8.6 Runs on the DLR, which runs on the CLR .Net 4.0 / 2.0

INTEROP HOP Allows you to access compiled .NET code in Ruby It will even mangle the names to be more Ruby-esque WriteLine ==> write_line

INTEROP HOP load_assembly 'System' include System 5.times { puts "Odelay!" } Console.background_color = ConsoleColor.red Console.foreground_color = ConsoleColor.white Console.write_line "DANGER, PONIES AHEAD!" Console.reset_color

EXECUTABLES ruby => ir irb => iirb gem => igem

TYPES .NET => Ruby Int32 => FixNum Double => Float Boolean => TrueClass, FalseClass DateTime => Time

.NET => RUBY Namespaces, Interfaces => Module Classes, Structs, Delegates, Enums => Class Constants, Static Methods => Class methods Methods => Instance Methods Fields, Properties => Getter/Setter methods

OTHER STUFF Abstract classes => Regular ruby classes w/o initializer Abstract methods => Override in subclass Virtual methods => Override in subclass Static methods => CAN override.

OTHER OTHER STUFF Private Binding Mode Makes all private and protected methods public ir -X:PrivateBinding ... to_clr_type() clr_member()

OK, SO WHAT ABOUT MY GEMS? Some work, some don’t. Ones that have native win32 code - no. Ruby only, some. New native pieces can be written in .NET languages.

WHAT ABOUT BOB RAILS? We has thems, 2.3.8 to be speciﬁc. Sql Server/ActiveRecord support too! Even an IIS module for Rack/Rails. Sinatra, HAML, SASS supported.

THIS IS DUMB, WHY WOULD I EVER USE THIS? You can use pretty much all the .NET libraries WPF / Forms for pretty UI Excel API - Because you know corporations are run on it Testing. Use cucumber/rspec to test .Net code. Get around the MS-only rules

CAVEAT _______ Can’t use win32 native gems Not 100% RubySpec - Currently ~86% Big Holes - RSS, Finalize, Shell, WeakRef, OpenSSL

1.8.6?

1.8.6? Next version will be either 1.8.7 or 1.9.x compatible

LICENSING Currently MS-PL OSI Certimaﬁed Close to BSD Probably moving to Apache or MIT license soon.

RESOURCES IronRuby.net IronRuby Unleashed - Shay Friedman IronRuby in Action - Ivan Porto Carrero and Adam Burmister

DOMO ARIGATO moore.alex@gmail.com @alexmoore www.enginerding.com

IronRuby

by Alex Moore on Sep 03, 2010

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