From: Gennady Bystritsky <Gennady.Bystritsky@...>
Date: 2006-10-03T04:15:59+09:00
Subject: Re: instance_eva()l-ing a proc with parameters

Logan Capaldo wrote:
> On Tue, Oct 03, 2006 at 01:35:48AM +0900, Gennady Bystritsky wrote:
>> Dear friends,
>> 
>> I need to evaluate a proc within an instance context and would like
>> to pass it a parameter. The only straight forward way I found is to
>> use instance_eval(), however it does not allow to pass parameters to
>> a proc, only the instance itself is passed as a single parameter:
> Google for instance_exec, there are various and sundry
> implementations, including one built into rails.
> 
> http://eigenclass.org/hiki.rb?instance_exec has various
> implementations and their respective strengths and weaknesses. Or you
> can 
> just use ruby
> 1.9 where it's part of the core.

Thanks a lot, Logan. That's exactly what I need and what I have missed
completely here on the list when the discussion first came up.

It looks like I am better off sticking to my define_method() custom
solution for now, as instance_exec() uses the same approach anyway.

Thanks again,
Gennady.