From: Morton Goldberg <m_goldberg@...>
Date: 2007-05-08T23:47:28+09:00
Subject: Re: Difference answers from Terminal, TextMate, and BBEdit


On May 8, 2007, at 8:34 AM, Brian Candler wrote:

> On Tue, May 08, 2007 at 07:22:39PM +0900, Morton Goldberg wrote:
>> A case statement like
>>
>> <code>
>> case
>> when 'year' : tree.ageOneYear # , y as shortcut?
>> when (1..100) : tree.pick_an_orange
>> else puts('Don\'t be greedy, don\'t try to pick more than 100   
>> oranges')
>> end
>> </code>
>>
>> just looks for the first true when-clause. In this case that will
>> always be 'year' because everything but false and nil is true in  
>> Ruby.
>
> That's incorrect. Case doesn't check if 'year' is true; it checks  
> whether
> 'year' === obj is true.
>
> Try this:
>
> foo = "Hello"
> case foo
> when "year"
>   puts "xxx"
> when /ell/
>   puts "yyy"   # this line is run
> end

Beg to differ with you. This is a case with no argument. It doesn't  
have any obj to do a 'year' === obj on.

Regards, Morton