From: ptkwt@...1.aracnet.com (Phil Tomson)
Date: 2003-04-09T16:58:02+09:00
Subject: Re: instance_variable_set question

In article <F17684BC-6A02-11D7-BC62-000A95676A62@pragprog.com>,
Dave Thomas  <dave@pragprog.com> wrote:
>
>On Tuesday, April 8, 2003, at 03:12 PM, Chris Pine wrote:
>
>> Hello,
>>
>> Is this how this is supposed to work?
>>
>>
>>   irb(main):001:0> class Foo; end
>>   => nil
>>   irb(main):002:0> foo = Foo.new
>>   => #<Foo:0x400d7528>
>>   irb(main):003:0> foo.instance_variable_set :bar, 15
>>   NameError: `bar' is not an instance variable name
>>           from (irb):3:in `instance_variable_set'
>>           from (irb):3
>>
>
>But the instance variable would be called :@bar  :)
>

It _is_ a bit confusing, though - if you made an attr_accessor for @bar, 
you refer to it as :bar, not :@bar :

  class Foo
    attr_accessor :bar #not :@bar
  end


Phil