From: Spitfire <timid.gentoo@...>
Date: 2006-12-26T05:16:48+09:00
Subject: Re: dynamic changes!

Robert Klemme wrote:
> Sorry, should have read "its class".  Please look closely at the IRB 
> session to understand what I mean:
> 
> irb(main):001:0> class Foo
> irb(main):002:1> def m1() end
> irb(main):003:1> end
> => nil
> irb(main):004:0> Foo.object_id
> => 1917050
> irb(main):005:0> Foo.instance_methods.grep /m\d/
> => ["m1"]
> irb(main):006:0> f=Foo.new
> => #<Foo:0x381468>
> irb(main):007:0> f.class
> => Foo
> irb(main):008:0> f.class.object_id
> => 1917050
> irb(main):009:0> f.m1
> => nil
> irb(main):010:0> f.m2
> NoMethodError: undefined method `m2' for #<Foo:0x381468>
>         from (irb):10
>         from :0
> irb(main):011:0> class Foo
> irb(main):012:1> def m2() end
> irb(main):013:1> end
> => nil
> irb(main):014:0> Foo.object_id
> => 1917050
> irb(main):015:0> Foo.instance_methods.grep /m\d/
> => ["m2", "m1"]
> irb(main):016:0> f.class
> => Foo
> irb(main):017:0> f.class.object_id
> => 1917050
> irb(main):018:0> f.m1
> => nil
> irb(main):019:0> f.m2
> => nil
> 
>     robert
> 
Sorry, didn't observe the IRB session closely. It's clear, now.

-- 
_ _ _]{5pitph!r3}[_ _ _
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