From: corey konrad <0011@...>
Date: 2006-05-10T17:26:06+09:00
Subject: Re: range

stuart yarus wrote:
> On 5/10/06, corey konrad <0011@hush.com> wrote:
>> another code example from my book doesnt work with the ruby interpreter
>>
>> parts = ("Part A" .. "Part G")
>> parts.length                #�> 7
> 
> A range is a specification which can be used for making ordered lists
> ("lists" is not a ruby word).  You can't count the elements of a range
> because there aren't any, except for the two objects specifying the
> beginning and end of the range.
> 
> You can make a "list" from a range.  In fact, you can make an array
> from a range and then count the objects in the array.
> 
> For example:
>    parts = ("Part A" .. "Part G")
>    parts_array  = parts.to_a
>    parts.length          # -> 7
> 
> which can be shortened to "parts.to_a.length".

hmm ok i guess the author made a mistake in this book i just wanted to 
check to make sure it wasnt a bug in my ruby or something.

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