From: Logan Capaldo <logancapaldo@...>
Date: 2006-03-10T08:01:54+09:00
Subject: Re: Enums (was: My Ruby talk @ work..)


On Mar 9, 2006, at 9:33 AM, Florian Gro� wrote:

> Logan Capaldo wrote:
>
>> The idiom I usually use is:
>> class HockeyGear
>>       Stick = Object.new
>>       Helmet = Object.new
>>       ...etc...
>> end
>> Of course other than the aesthtics of looking like an enum   
>> (HockeyGear::Stick) in the source code  there's no advantage over   
>> symbols. On the other hand, if someone is passing you an enum, it   
>> probably means any one of the enums is valid, so you should be   
>> checking all of them anyway, and throw an exception in the else   
>> clause. Checking whether an object is of  the right type isn't  
>> very  ruby-like anyway.
>
> Hm, I wrote the attached Enum class a while ago. What do you think?
>
> -- 
> http://flgr.0x42.net/
> <enum.rb>

Looks pretty cool.

I question this though:
symbol = symbol.to_s.sub(/^[a-z]/) { |letter| letter.upcase }.to_sym

Why not just:
symbol = symbol.to_s.capitalize.to_sym
?