From: Jean-Hugues ROBERT <jean_hugues_robert@...>
Date: 2002-06-18T06:13:53+09:00
Subject: Re: yield and recursion, how to ?

Thanks Guy, that works for me. I forgot about the last block parameter
being treated as a list if there is more actual actual parameters than
formal ones. Very convenient indeed. Thanks very much.

Jean-Hugues

At 01:22 18/06/2002 +0900, you wrote:
> >>>>> "J" == Jean-Hugues ROBERT <jean_hugues_robert@yahoo.com> writes:
>
>  Well, I've not understood what you want to do but I'll write something
>  like this
>
>
>J>    def each( block = nil, &syntax_block )
>J>      block ||= syntax_block
>J>      block.call( self, @children.length())
>J>      @children.each do |x|
>J>        x.each block
>J>      end
>J>    end
>
>    def each
>       yield  self, @children.size
>       @children.each do |x|
>         x.each do |y|
>             yield y
>         end
>       end
>    end
>
>
>Guy Decoux

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