From: dblack@...
Date: 2007-09-11T04:54:22+09:00
Subject: Re: Newbie question: Small blocks

Hi --

On Tue, 11 Sep 2007, Felix Windt wrote:

>> -----Original Message-----
>> From: Dante Regis [mailto:dante.regis@gmail.com]
>> Sent: Monday, September 10, 2007 12:23 PM
>> To: ruby-talk ML
>> Subject: Newbie question: Small blocks
>>
>> Hello folks,
>>
>> sorry for this newbie question, but I saw somewhere that
>> there is a way to
>> make a small block without using pipes " | ".
>>
>> It was something like   [0, 1, 2].each {  } , with some char
>> inside the
>> brackets, like &, but I can't remember it. anyone knows how to use it?
>>
>> Thanks
>> Dante
>>
>
> [1,2].each do |elem|
> 	elem.do_something
> end
>
> Is equivalent to:
>
> [1,2].each do {|elem| elem.do_something}

You don't want the 'do' on the braces version though. (And yes, I've
done it occasionally :-)


David

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