Phlip wrote:
> tekwiz wrote:
> 
>> This is what roodi would have me do
>>
>>   (0...str.size).each do |i|

> It leaves you closer to a refactor to .map or .inject or .select or 
> .reject or .delete_if or .each_index or .each_with_index or ...

It also hints at:

   str.each do |ch|

...