From: Robert Klemme <shortcutter@...>
Date: 2013-02-20T01:57:00+09:00
Subject: Re: Adding camelize and underscore to String

On Tue, Feb 19, 2013 at 4:45 AM, Josh Cheek <josh.cheek@gmail.com> wrote:
> On Mon, Feb 18, 2013 at 9:23 PM, tamouse mailing lists
> <tamouse.lists@gmail.com> wrote:
>>
>> I do this a bit differently:
>>
>> class String
>>   def camelize
>>     self = self.dup
>>     self.camelize!
>>   end
>
> Should just be:
> def camelize
>   dup.camelize!
> end

I'd do

def camelize
  dup.tap {|s| s.camelize!}
end

or even

def camelize
  dup.tap &:camelize!
end

Because usually #camelize! would return nil if the String was left
unchanged.  In any case, this construct would make #camelize robust
against changes in #camelize!'s return value.

Cheers

robert

-- 
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