From: Robert Klemme <shortcutter@...>
Date: 2008-05-14T06:35:03+09:00
Subject: Re: hash merge

On 13.05.2008 18:51, Adam Shelly wrote:
> On 5/13/08, Robert Klemme <shortcutter@googlemail.com> wrote:
>> On 13.05.2008 17:14, Yossef Mendelssohn wrote:
>>> Thanks for teaching me about Hash#merge with a block, by the way.
>>>
>> Not really:
>>
>> irb(main):009:0> h = {1=>2}
>> => {1=>2}
>> irb(main):010:0> h.merge(10=>20) {|*a| p a}
>> => {1=>2, 10=>20}
>> irb(main):011:0>
>>
>> The block is simply ignored.
>>
> Not really:
> 
> irb(main):010:0> h={1,2}
> => {1=>2}
> irb(main):011:0> h.merge(10=>20){|*a| p a}
> => {1=>2, 10=>20}
> irb(main):012:0> h.merge(1=>20){|*a| p a}
> [1, 2, 20]
> => {1=>nil}
> irb(main):013:0>
> 
> The block is only called for matching keys.

Amazing.  Thank you for the education!  I should have looked at the 
documentation before making a fool of myself...

Kind regards

	robert