From: james@... (James Adam)
Date: 2003-08-18T22:00:52+09:00
Subject: adding methods to a C++ class in 1.8.0 - has anything changed?

Hi

I'm currently writing a tool where the data-structure is coded in C++,
but manipulated in wonderful Ruby. I had also added some 'ruby
goodness' to the C++ classes, such as providing ".each_X" iteration
methods for use within the ruby part of the system.

assume that the class Architecture is defined in a module Nest, all
implemented in C++ but with ruby hooks generated by SWIG.

with ruby 1.6.8, i could do the following:

require 'Nest' # load the C++ extension
=> true
include Nest
=> Object
class Architecture
  def newMethod
    puts "hi from ruby"
  end
end
=> nil

.... and now i could call 'newMethod' along with all the other instance
methods for Architecture defined in the C++ source.

however, with Ruby 1.8.0 this stopped working, giving the error:

NameError: undefined constant Architecture


....and the only way I can get it running is if i do the following:

require 'Nest'
include Nest
class Nest::Architecture
  # define the new methods
end

is this expected?

- James Adam