New IronRuby and IronPython Versions

21 במאי 2009

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Good news! IronRuby and IronPython have just been released with new and shiny versions!

IronRuby 0.5

  • Download IronRuby 0.5
  • Adaptive compilation – performance boost!
  • Removes ClrString. CLR strings are referred to as System::String
  • Removes IronRuby library. "require 'IronRuby'" is no longer needed; IronRuby module is now a built-in module.
  • Integer/Float operations for all CLR primitive numeric types
  • System::Char and System::String methods so that they behave like an immutable UTF-8 encoded string
  • Improves handling of BOM in 1.8 mode
  • Debugger visualizer for RubyObject so that VS will display the result of to_s in the Watch window.
  • Adds support for .NET operators (op_* special methods)
  • Implements bitwise operators on flag enums
  • Precompilation of simple Ruby method invocations
  • Improves performance for file IO#read method. Previously we were 10x slower than MRI, now we are approx. 1.5-times faster.
  • Tons of fixes to File, String, Array, and other built-in types to drive up RubySpec and Ruby application test-suite pass-rates. One bug fix is mine!
  • For a detailed description, read Jimmy’s blog post:

IronPython 2.6 Beta 1

.Net 4.0 CTPs

With the release of VS2010, new IronLanguages CTPs came along. These CTPs make calling dynamic languages from C# 4.0 a very easy task. Give it a try:

IronPython 2.6 CTP for .Net 4.0 Beta 1

IronRuby CTP for .NET 4.0 Beta 1


We’re living in exciting times guys!

All the best,

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