From: Mike Harris <GENIE@...>
Date: 2006-07-21T06:47:39+09:00
Subject: Re: Using .each with constructors

Mike Harris wrote:

> Ben Zealley wrote:
>
>> Is there a nice elegant way of creating several named objects of the
>> same class? I naively tried
>>
>> a,b,c,d = 0
>> [a, b, c, d].each { |o| o = SomeClass.new }
>>
>> and found that while they get initialised inside the block, they get
>> destroyed leaving it. I can't believe
>>
>> a = SomeClass.new
>> b = SomeClass.new
>> etc.
>>
>> is the best way to do it. I can populate an array, but let's
>> hypothesise that for reasons relating to irritating corporate coding
>> standards, the variables need specific names... ;)
>>
>> Thoughts appreciated! Cheers
>>
>>  
>>
> The parallel assignment/array expansion approach suggested by patrick 
> and james will definitely work.  You could also try
>
> [:a,:b,:c,:d].each { |x| eval "#{x} = SomeClass.new" }
>
>
You're right, it works if you do the a=b=c=d=0 line first to init scope 
outside the block.  I tested with that and then forgot to include it.