From: "Mauricio Fernández" <batsman.geo@...>
Date: 2003-04-26T15:59:45+09:00
Subject: Re: yield self

On Sat, Apr 26, 2003 at 10:06:10AM +0900, ahoward wrote:
> On Sat, 26 Apr 2003, Joel VanderWerf wrote:
> 
> > ahoward wrote:
> > >
> > > recently someone posted a very cool method which, given an object, would yield
> > > a block of code with the value of self as that object.
> > >
> > > anyone remember this?  i can't seem to find it...
> >
> > Do you mean instance_eval?
> 
> no - i least i think i don't... perhaps i was dreaming?  hope not, it was kind
> of neat!

Do you mean this?

>> def with(object, &block)
>>   object.instance_eval(&block)
>> end
=> nil
>> with "1" do
?>   puts "My length is #{length}"
>> end
My length is 1
=> nil

As usual, all rights reserved, etc; BTW I prefer cheques payable to bearer ;-)
At least 80% of the profits will be reinvested in food for my brain (*) so that I 
can go on posting here.

The way "new syntax" can be added so easily to Ruby never ceases to
amaze me.

(*) includes foodstuffs and "food for thought"

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