From: Joel VanderWerf <vjoel@...>
Date: 2008-05-17T08:18:08+09:00
Subject: Re: Easy way to use "self" in Proc

Leon Bogaert wrote:
> Hi all,
> 
> I have this piece of code: http://pastie.caboo.se/198524
> I'm trying to use the "self" context of the instanciated class in the
> Proc. I've got it working now, but isn't there a nicer way to use the
> Proc.new() without having to use the "|obj|" part?
> 
> So instead of:
> 
> t.code = Proc.new { |obj| obj.instance_test() }
> 
> I want to use something like:
> t.code = Proc.new { self.instance_test() }
> 
> I've tried some stuff but I can't / don't think I can get it working the
> second way. Does anyone have some bright ideas about solving this
> problem?

Fortunately, it's easy:

t.code = Proc.new { self.instance_test() }

and instead of

t.code.call(obj)

you just do this

obj.instance_eval(&t.code)

-- 
       vjoel : Joel VanderWerf : path berkeley edu : 510 665 3407