[ruby-talk:14742] Re: have I messed up my setup, or are these real irb problems?

Dave Thomas spake:
> 
> I have some pretty strange Ruby installation directories, so it's very
> possible that I've messed something up. However, with both the latest
> 1.6 and 1.7 cvs versions, I get the following two problems:
> 
>      dave[ruby 10:50:41] irb --tracer
>      irb(main):001:0> def fred
>      irb(main):002:1> 1
>      irb(main):003:1> end
>      /tc/usr/lib/ruby/1.6/irb.rb:233: ArgumentError
> 
> and
> 
>      dave[ruby/ruby1.7 10:51:25] irb
>      irb(main):001:0> def fred
>      irb(main):002:1> 1
>      irb(main):003:1> end
>      nil
>      irb(main):004:0> fred
>      NameError: undefined local variable or method `fred' for #<Object:0x4019ac90>
>              from (irb):4
>      irb(main):005:0>
> 
> Have I messed up my Ruby tree, or do other people see this too?
> 
> Thanks
> 
> Dave


What is --tracer for?  I'm okay without it.

 ~:>irb
 irb(main):001:0> def fred
 irb(main):002:1> 1
 irb(main):003:1> end
 nil
 irb(main):004:0> fred
 1
 irb(main):005:0>

...

 ~:>irb --tracer
 irb(main):001:0> exit
 NameError: uninitialized constant IRB::Irb::Tracer
 /usr/local/lib/ruby/1.7/irb/main.rb:451:in `trace_in'
 /usr/local/lib/ruby/1.7/irb/main.rb:357:in `eval_input'
 /usr/local/lib/ruby/1.7/irb/main.rb:354:in `signal_status'
 /usr/local/lib/ruby/1.7/irb/main.rb:354:in `eval_input'
 /usr/local/lib/ruby/1.7/irb/main.rb:352:in `each_top_level_statement'
 /usr/local/lib/ruby/1.7/irb/ruby-lex.rb:215:in `loop'
 /usr/local/lib/ruby/1.7/irb/ruby-lex.rb:215:in
`each_top_level_statement'
 /usr/local/lib/ruby/1.7/irb/main.rb:352:in `eval_input'
 /usr/local/lib/ruby/1.7/irb/main.rb:62:in `start'
 /usr/local/lib/ruby/1.7/irb/main.rb:61:in `catch'
 /usr/local/lib/ruby/1.7/irb/main.rb:61:in `start'
 /usr/local/bin/irb:19
 Maybe IRB bug!!
 irb(main):002:0>