From: Heesob Park <phasis@...>
Date: 2008-05-23T18:13:33+09:00
Subject: Re: Why can't I define vars in caller's binding using eval?

2008/5/23 Andrew Mitchell <amitchell@ttcent.com>:
> Christopher J. Bottaro wrote:
>> In other words, why can't I do this?
>>
>> def f(b)
>>   eval("x = 10", b)
>> end
>>
>> f(binding)
>> puts "x = #{x}"
>>
>> Is there any way to make that code work (besides obviously setting x
>> to something before calling f).
>>
>> Thanks.
>
> Worked for me.
>
> Dios:~ andrewmitchell$ irb
>>> def f(b)
>>>  eval("x=10", b)
>>> end
> => nil
>>> f(binding)
> => 10
>>> puts "x = #{x}"
> x = 10
> => nil
>>>
But it works only in irb.

Regards,

Park Heesob