From: "Stephan J. Schmidt" <stephan.schmidt@...>
Date: 2002-05-31T23:25:32+09:00
Subject: Re: Array Uniq

Thanks a lot,
bye
-stephan

On Fri, 2002-05-31 at 16:19, ts wrote:
> >>>>> "S" == Stephan J Schmidt <stephan.schmidt@neotis.de> writes:
> 
> S> this didn't work, any idea what I do wrong ?
> 
>  Here an example
> 
> pigeon% cat b.rb
> #!/usr/bin/ruby
> class A
>    attr_reader :iod
>    def initialize(oid)
>       @iod = oid
>    end
>    def hash
>       @iod.hash
>    end
>    def eql?(b)
>       if b.kind_of?(A)
>          @iod.eql?(b.iod)
>       else
>          false
>       end
>    end
> end
> 
> a = []
> a.push A.new(12), A.new(12), A.new(34), A.new(34)
> p a
> p a.uniq!
> pigeon% 
> 
> pigeon% b.rb
> [#<A:0x401b9838 @iod=12>, #<A:0x401b97fc @iod=12>, #<A:0x401b97c0 @iod=34>, #<A:0x401b9734 @iod=34>]
> [#<A:0x401b9838 @iod=12>, #<A:0x401b97c0 @iod=34>]
> pigeon% 
> 
> 
> Guy Decoux