From: Asfand Yar Qazi <ay1204@...2s.com>
Date: 2005-02-18T06:14:48+09:00
Subject: Re: Evaluating a string of Ruby code within an anonymous module:     done correctly?

Asfand Yar Qazi wrote:
>>
>> Just realized how to fix that:
>>
>> def empty_binding
>>   binding
>> end
>>
>> def eval_string(s, *args_to_pass)
>>     pr = eval("proc do |*args| #{s.to_str} end", empty_binding)
>>     pr[*args_to_pass]
>> end
>>
>> eval_string(<<EOL, [1, 2, 3, 4, 5])
>>   b = args.collect {|i| i*3}
>>   c = b.join("||")
>>   puts(c)
>>   #p pr #<-- now this fails
>> EOL
>>

Just one thing: why the use of 'proc do ... end ' rather than lambda? 
  I know there's a difference, but I'm not sure what.