debugger method

debugger.rb

#
# IronRuby ruby-debug-like-debugger call for things that 
# support System::Diagnostics::Debugger, like Visual Studio
#
def debugger
  require 'mscorlib'
  System::Diagnostics::Debugger.break if System::Diagnostics::Debugger.launch
end

usage.rb

#
# if you attach Visual Studio to an IronRuby process, and
# call this method, Visual Studio will break at the debugger line
#
def usage
  puts "before debugger"
  debugger
  puts "after debugger"
end