From: Zach Dennis <zdennis@...>
Date: 2004-08-20T11:54:05+09:00
Subject: Re: Shortest if Assignment Statement

    a = hsh[val] || hsh['*']


Another beautiful solution for my eyes. Thanks so much David! i am 
getting so used to the "or" instead of  ||   

Zach


David A. Black wrote:

>Hi --
>
>On Fri, 20 Aug 2004, Zach Dennis wrote:
>
>  
>
>>David A. Black wrote:
>>
>>    
>>
>>>I'm not quite following.  What's not working as you'd like exactly?
>>>
>>> 
>>>
>>>      
>>>
>>hsh = { '*' => '(*)' , 'a' => '(1){2}' }
>>val = "b"
>>a = hsh[ val ] or hsh['*']  #to give me, a = '(*)'
>>puts a
>>val = "a"
>>a = hsh[ val ] or hsh['*'] #to give me, a = '(1){2}'
>>puts a
>>
>>I want the fourth line to output (*) instead it gives me nil.
>>    
>>
>
>Whoops, I fell into the irb trap :-)
>
>|| binds more tightly than or, so:
>
>  a = hsh[val] || hsh['*']
>
>should give you what you want.
>
>
>David
>
>  
>