From: "Joe Wölfel" <joe@...>
Date: 2008-10-02T22:06:27+09:00
Subject: Re: ruby1.9 block scope

Yes.  You are right.  In that case might be good to not perform a  
regular expression match on every element.
res = a.reverse.find { |e| e =~ /foo/ }

On 2 oct. 08, at 00:41, Daniel DeLorme wrote:

> Joe Wölfel wrote:
>> On 1 oct. 08, at 04:18, Brian Candler wrote:
>>>
>>>   def my_find(a)
>>>     # res=nil not needed!
>>>     a.each { |e| res = e if e =~ /foo/ }
>>>     res
>>>   end
>> res =  a.find { |e| e =~ /foo/ }
>
> Actually that has a slightly different effect.
> Brian's my_find finds the *last* matching expression. ;-)
>
>