rbx_weak_ref.txt

17:23:53 jesse@maynard:~  ruby-1.9.2-p290 
∴ ruby -rweakref -e "x = 'mike'; f = WeakRef.new(x); puts f.size;"
4

17:24:22 jesse@maynard:~  ruby-1.9.2-p290 
∴ rvm use default
Using /home/jesse/.rvm/gems/rbx-2.0.0pre

17:24:32 jesse@maynard:~  rbx-2.0.0pre 
∴ ruby -rweakref -e "x = 'mike'; f = WeakRef.new(x); puts f.size;"
An exception occurred evaluating command line code
    undefined method `size' on an instance of WeakRef. (NoMethodError)

Backtrace:
  Kernel(WeakRef)#size (method_missing) at kernel/delta/kernel.rb:79
              { } in Object#__script__ at -e:1
 Rubinius::BlockEnvironment#call_on_instance at kernel/common
                                                /block_environment.rb:72
         Kernel(Rubinius::Loader)#eval at kernel/common/eval.rb:74
                Rubinius::Loader#evals at kernel/loader.rb:571
                 Rubinius::Loader#main at kernel/loader.rb:747