From: Stefan Kaes <skaes@...>
Date: 2005-03-16T18:50:07+09:00
Subject: Re: eval/binding question

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Robert Klemme wrote:

>Hm, I'm not 100% sure I modeled this properly, but does this solve the
>problem?
>  
>
No. _code gets parsed on every call to local_eval.

>I omitted the template name and the value as these are just special cases
>of values with fixed names.  But you get the picture.  And there is no
>reparsing needed.
>
>def local_eval(_values, _code)
>  _val = nil
>  _bnd = binding
>  p local_variables
>  _values.each {|name, val| eval "#{name}=_val", _bnd}
>  p local_variables
>  eval _code, _bnd
>end
>
>  
>
>>>local_eval( {:x=>1}, "puts x" )
>>>      
>>>
>["_values", "_code", "_val", "_bnd"]
>["_values", "_code", "_val", "_bnd", "x"]
>nil
>=> nil
>  
>
-- stefan

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