From: Logan Capaldo <logancapaldo@...>
Date: 2006-09-05T22:41:30+09:00
Subject: Re: Enum


On Sep 5, 2006, at 9:06 AM, Ohad Lutzky wrote:

> Hmm, which reminds me. Why don't we get one of these with ruby?
>
> module Enumerable
>   def collect_with_index
>     arr = []
>     self.each_with_index do |a,i|
>       arr << yield(a,i)
>     end
>     arr
>   end
> end
>

We do:

require 'enumerator'
['a', 'b', 'c'].to_enum(:each_with_index).map { |value, index|  
{ index => value } } #=> [{0=>'a'}, {1=>'b'}, {2=>'c'}]

> -- 
> Posted via http://www.ruby-forum.com/.
>