Thomas B. wrote:
> Thomas Sawyer wrote:
>> Came up with a great little extension today for the Symbol class. One
>> that also shows off Facets' Functor class:
>> 
>>   require 'facets/functor'
>> 
>>   class Symbol
>> 
>>     # Convert symbol to string, apply string method
>>     # and convert back to symbol via a fluent
>>     # interface.
>>     #
>>     #   :HELLO.re_s.downcase  #=> :hello
>>     #
>>     def re_s
>>       @re_s ||= Functor.new do |op, *a|
>>         to_s.send(op, *a).to_sym
>>       end
>>     end
>> 
>>   end
>> 
>> I picked the name 're_s' off the top of my head. I'm open to better
>> suggestions.
>> 
>> T.
> 
> Nice idea. After some modification (using method_missing) it could be 
> used as a temporary patch on Ruby 1.8, as in Ruby 1.9 symbols are going 
> to respond to most string-like methods.
> 
> also T.


why not simply use:

irb(main):002:0> :HELLO.to_s.downcase.to_sym
=> :hello

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