From: Victor Shepelev <vshepelev@...>
Date: 2006-05-08T22:47:40+09:00
Subject: Re: A few block-related questions



From: Robert Klemme [mailto:shortcutter@googlemail.com]
> 2006/5/8, Victor Shepelev <vshepelev@imho.com.ua>:
> > Hi all.
> >
> > Here is the code:
> >
> > str = 'some string'
> > blk = lambda{|arg| self.text = str; self.text = arg}
> >
> > class A
> >     def text=(str)
> >        #blah
> >     end
> > end
> >
> > A.new.instance_eval( &blk )
> >
> > Questions about the code:
> > 1. str would be always visible to block? (Quick tests says yes, but it
> was
> > unexpected for me)
> > 2. how can I pass argument to block?
> 
> You can as well pass self as argument:
> 
> blk = lambda {|it, text| it.text=text}
> 
> a=A.new
> blk.call a, str
> 

Yes, I can. But it looks a bit ugly, isn't it?

 
> robert

Victor.