From: Robert Klemme <shortcutter@...>
Date: 2008-03-28T04:35:00+09:00
Subject: Re: instance_variable_[gs]et

On 27.03.2008 16:28, Trans wrote:
> 
> On Mar 27, 8:23 am, Florian Gilcher <f...@andersground.net> wrote:
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>>
>> On Mar 27, 2008, at 5:36 AM, Trans wrote:
>>
>>
>>
>>> And why can't #instance_variable_set take a hash to set more than one
>>> variable at a time?
>>> T.
>> By the way, if you really need it, it is easily implemented on your own:
>> Example:
>>
>> def set_instance_variables(variables)
>>    variables.each do |key, value|
>>      instance_variable_set("@#{key}", value)
>>    end
>> end
> 
> Yes, of course. Facets has #instance_assign, but it just seems
> wasteful when one method could do.
> 
> I don't quite get matz take. How is
> 
>    variables.each do |key, value|
>      instance_variable_set("@#{key}", value)
>    end
> 
> cleaner than
> 
>     instance_variable_set(variables)

How often is that really needed?  I can remember only few cases where I 
needed that - and those were probably more experimental.

Kind regards

	robert