From: Robert Klemme <shortcutter@...>
Date: 2010-10-07T21:17:52+09:00
Subject: Re: Can anyone give a an example of this please

On Thu, Oct 7, 2010 at 2:14 PM, Phillip Gawlowski
<cmdjackryan@googlemail.com> wrote:
> On Thu, Oct 7, 2010 at 2:01 PM, Kaye Ng <sbstn26@yahoo.com> wrote:
>> "code blocks may accept none, one, or more parameters"
>>
>> I understand how ONE parameter is passed using the 'each' method.
>> I also understand how TWO parameters is passed, like in this code
>> x = { "a" => 100, "b" => 20 }
>> x.delete_if { |key, value| value < 25 }
>> p x
>>
>> Can anyone give me a very simple and executable code where:
>> NO parameters is passed, and
>
> irb(main):001:0> [0,1,2,3].each { puts "no param" }
> no param
> no param
> no param
> no param
> => [0, 1, 2, 3]

There is _one_ parameter passed - you just do not pick it up in the block.

Kind regards

robert

-- 
remember.guy do |as, often| as.you_can - without end
http://blog.rubybestpractices.com/