From: Robert Klemme <shortcutter@...>
Date: 2007-01-08T20:15:08+09:00
Subject: Re: a most undangerous Hash#store!

On 08.01.2007 02:00, dblack@wobblini.net wrote:
> Hi --
> 
> On Mon, 8 Jan 2007, Trans wrote:
> 
>>
>> Daniel Schierbeck wrote:
>>
>>> Is there really a need for such a method? Why not simply:
>>>
>>>   hsh[:key] ||= "value"
>>
>> This isn't quite the same becasue it looks to see if tha value is nil
>> or false, not if the key is there or not.
>>
>>> or, if you have a default value on your hash:
>>>
>>>   hsh[:key] = "value" unless hsh.has_key? :key
>>
>> Yes, certianly. nad that woul dbe fine if I were just needing here and
>> ther, but I have need for using it quite often.
> 
> You can use merge and a one-key hash:
> 
>   hash.merge({ :key => "new value" })

Or even

hash.merge( :key => "new value" )

	robert