From: "Mehr, Assaph (Assaph)" <assaph@...>
Date: 2004-03-31T15:34:32+09:00
Subject: Re: Silly question...

>
>Is there any way of completely remove a class object's methods 
>instead of
>extending the class?
>
>I'd like to be able to do:
>
>class A
>   attr :t
>   def initialize
>       @t = 1
>   end
>end
>
>a = A.new
>puts a.t   # => 1
>
># Not extending... redefining here....
>class A
>   attr :x
>   def initialize
>       @x = 3
>   end
>end
>
>
>a = A.new
>puts a.x # => 3
>puts a.t # => error, instead of outputing nil
>
>I'm finding the above to be a major pain when debugging and 
>prototyping new
>code in either irb or an embedded ruby, every time I reload a library.


You mean something like:

irb(main):001:0> class A
irb(main):002:1>    attr :x
irb(main):003:1>    def initialize
irb(main):004:2>        @x = 3
irb(main):005:2>    end
irb(main):006:1> end
=> nil
irb(main):007:0> a = A.new
=> #<A:0x2b31f28 @x=3>
irb(main):008:0> a.t
NoMethodError: undefined method `t' for #<A:0x2b31f28 @x=3>
        from (irb):8
irb(main):009:0> class A
irb(main):010:1>   def method_missing(meth, *args)
irb(main):011:2>     nil
irb(main):012:2>   end
irb(main):013:1> end
=> nil
irb(main):014:0> a.t
=> nil