On 28.12.2006 16:05, Josselin wrote:
> On 2006-12-28 15:19:43 +0100, dblack / wobblini.net said:
> 
>> Hi --
>>
>> On Thu, 28 Dec 2006, Josselin wrote:
>>
>>> is there any dry way to get the index of an element in a range   
>>> without converting the range into an array ?
>>>
>>> ("A".."Z").each do | alpha |
>>>     ->  puts alpha.index  (?)  or something  like that .... <-
>>> end
>>
>> ("A".."Z").each_with_index do |alpha,i|
>>    puts i
>> end
>>
>>
>> David
> 
> thanks a lot.. another part of my book to read before year end ;-)))   
> all 'each_ ....   ' statements
> 

Here's another one

irb(main):005:0> require 'enumerator'
=> true
irb(main):010:0> (1..10).to_enum(:each_with_index).find {|a,b| a==2}[1]
=> 1

	robert